{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/debian10els/vex/2026/cve-2026-64604-els_os-debian10els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-08-25T12:53:34Z",
      "generator": {
        "date": "2026-08-25T12:53:34Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2026-64604-ELS_OS-DEBIAN10ELS",
      "initial_release_date": "2026-08-06T08:16:00Z",
      "revision_history": [
        {
          "date": "2026-08-06T08:16:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-08-25T12:53:34Z",
          "number": "2",
          "summary": "Official Publication"
        }
      ],
      "status": "final",
      "version": "2"
    },
    "title": "Security update on CVE-2026-64604"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Debian 10",
                "product": {
                  "name": "Debian 10",
                  "product_id": "Debian-10",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:debian:debian_linux:10:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Debian"
          }
        ],
        "category": "vendor",
        "name": "Software in the Public Interest, Inc."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64",
                "product": {
                  "name": "linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_id": "linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/linux-headers-4.19.0-28-all-amd64@4.19.325-1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "linux-libc-dev-0:4.19.325-1+tuxcare.els1.amd64",
                "product": {
                  "name": "linux-libc-dev-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_id": "linux-libc-dev-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/linux-libc-dev@4.19.325-1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libcpupower1-0:4.19.325-1+tuxcare.els1.amd64",
                "product": {
                  "name": "libcpupower1-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_id": "libcpupower1-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libcpupower1@4.19.325-1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libcpupower-dev-0:4.19.325-1+tuxcare.els1.amd64",
                "product": {
                  "name": "libcpupower-dev-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_id": "libcpupower-dev-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libcpupower-dev@4.19.325-1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libbpf-dev-0:4.19.325-1+tuxcare.els1.amd64",
                "product": {
                  "name": "libbpf-dev-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_id": "libbpf-dev-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libbpf-dev@4.19.325-1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "linux-perf-4.19-0:4.19.325-1+tuxcare.els1.amd64",
                "product": {
                  "name": "linux-perf-4.19-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_id": "linux-perf-4.19-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/linux-perf-4.19@4.19.325-1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "linux-config-4.19-0:4.19.325-1+tuxcare.els1.amd64",
                "product": {
                  "name": "linux-config-4.19-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_id": "linux-config-4.19-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/linux-config-4.19@4.19.325-1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "linux-kbuild-4.19-0:4.19.325-1+tuxcare.els1.amd64",
                "product": {
                  "name": "linux-kbuild-4.19-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_id": "linux-kbuild-4.19-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/linux-kbuild-4.19@4.19.325-1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libbpf4.19-0:4.19.325-1+tuxcare.els1.amd64",
                "product": {
                  "name": "libbpf4.19-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_id": "libbpf4.19-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/libbpf4.19@4.19.325-1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "linux-compiler-gcc-8-x86-0:4.19.325-1+tuxcare.els1.amd64",
                "product": {
                  "name": "linux-compiler-gcc-8-x86-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_id": "linux-compiler-gcc-8-x86-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/linux-compiler-gcc-8-x86@4.19.325-1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "linux-headers-4.19.0-28-all-0:4.19.325-1+tuxcare.els1.amd64",
                "product": {
                  "name": "linux-headers-4.19.0-28-all-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_id": "linux-headers-4.19.0-28-all-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/linux-headers-4.19.0-28-all@4.19.325-1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "linux-image-amd64-signed-template-0:4.19.325-1+tuxcare.els1.amd64",
                "product": {
                  "name": "linux-image-amd64-signed-template-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_id": "linux-image-amd64-signed-template-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/linux-image-amd64-signed-template@4.19.325-1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "linux-cpupower-0:4.19.325-1+tuxcare.els1.amd64",
                "product": {
                  "name": "linux-cpupower-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_id": "linux-cpupower-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/linux-cpupower@4.19.325-1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64",
                "product": {
                  "name": "linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_id": "linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/linux-headers-4.19.0-28-amd64@4.19.325-1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64",
                "product": {
                  "name": "hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_id": "hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/hyperv-daemons@4.19.325-1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64",
                "product": {
                  "name": "linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_id": "linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/linux-image-4.19.0-28-amd64-unsigned@4.19.325-1%2Btuxcare.els1?arch=amd64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "amd64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "linux-doc-4.19-0:4.19.325-1+tuxcare.els1.all",
                "product": {
                  "name": "linux-doc-4.19-0:4.19.325-1+tuxcare.els1.all",
                  "product_id": "linux-doc-4.19-0:4.19.325-1+tuxcare.els1.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/linux-doc-4.19@4.19.325-1%2Btuxcare.els1?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "linux-support-4.19.0-28-0:4.19.325-1+tuxcare.els1.all",
                "product": {
                  "name": "linux-support-4.19.0-28-0:4.19.325-1+tuxcare.els1.all",
                  "product_id": "linux-support-4.19.0-28-0:4.19.325-1+tuxcare.els1.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/linux-support-4.19.0-28@4.19.325-1%2Btuxcare.els1?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "linux-source-4.19-0:4.19.325-1+tuxcare.els1.all",
                "product": {
                  "name": "linux-source-4.19-0:4.19.325-1+tuxcare.els1.all",
                  "product_id": "linux-source-4.19-0:4.19.325-1+tuxcare.els1.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/linux-source-4.19@4.19.325-1%2Btuxcare.els1?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "linux-headers-4.19.0-28-common-0:4.19.325-1+tuxcare.els1.all",
                "product": {
                  "name": "linux-headers-4.19.0-28-common-0:4.19.325-1+tuxcare.els1.all",
                  "product_id": "linux-headers-4.19.0-28-common-0:4.19.325-1+tuxcare.els1.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/linux-headers-4.19.0-28-common@4.19.325-1%2Btuxcare.els1?arch=all"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "all"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "linux-libc-dev-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:linux-libc-dev-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "linux-libc-dev-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libcpupower1-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libcpupower1-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "libcpupower1-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "linux-doc-4.19-0:4.19.325-1+tuxcare.els1.all as a component of Debian 10",
          "product_id": "Debian-10:linux-doc-4.19-0:4.19.325-1+tuxcare.els1.all"
        },
        "product_reference": "linux-doc-4.19-0:4.19.325-1+tuxcare.els1.all",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libcpupower-dev-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libcpupower-dev-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "libcpupower-dev-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libbpf-dev-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libbpf-dev-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "libbpf-dev-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "linux-perf-4.19-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:linux-perf-4.19-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "linux-perf-4.19-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "linux-config-4.19-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:linux-config-4.19-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "linux-config-4.19-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "linux-kbuild-4.19-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:linux-kbuild-4.19-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "linux-kbuild-4.19-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libbpf4.19-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:libbpf4.19-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "libbpf4.19-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "linux-support-4.19.0-28-0:4.19.325-1+tuxcare.els1.all as a component of Debian 10",
          "product_id": "Debian-10:linux-support-4.19.0-28-0:4.19.325-1+tuxcare.els1.all"
        },
        "product_reference": "linux-support-4.19.0-28-0:4.19.325-1+tuxcare.els1.all",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "linux-source-4.19-0:4.19.325-1+tuxcare.els1.all as a component of Debian 10",
          "product_id": "Debian-10:linux-source-4.19-0:4.19.325-1+tuxcare.els1.all"
        },
        "product_reference": "linux-source-4.19-0:4.19.325-1+tuxcare.els1.all",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "linux-compiler-gcc-8-x86-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:linux-compiler-gcc-8-x86-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "linux-compiler-gcc-8-x86-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "linux-headers-4.19.0-28-all-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:linux-headers-4.19.0-28-all-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "linux-headers-4.19.0-28-all-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "linux-image-amd64-signed-template-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:linux-image-amd64-signed-template-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "linux-image-amd64-signed-template-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "linux-headers-4.19.0-28-common-0:4.19.325-1+tuxcare.els1.all as a component of Debian 10",
          "product_id": "Debian-10:linux-headers-4.19.0-28-common-0:4.19.325-1+tuxcare.els1.all"
        },
        "product_reference": "linux-headers-4.19.0-28-common-0:4.19.325-1+tuxcare.els1.all",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "linux-cpupower-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:linux-cpupower-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "linux-cpupower-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-64604",
      "notes": [
        {
          "category": "description",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is in guest mode\n\nWhen updating CR8 intercepts, get vmcs12 if and only if the vCPU is in\nguest mode so that a future change can have update CR8 intercepts during\nvCPU creation, without running afoul of get_vmcs12()'s lockdep assertion.\n\n  ------------[ cut here ]------------\n  debug_locks && !(lock_is_held(&(&vcpu->mutex)->dep_map) || !refcount_read(&vcpu->kvm->users_count))\n  WARNING: arch/x86/kvm/vmx/nested.h:61 at get_vmcs12 arch/x86/kvm/vmx/nested.h:60 [inline], CPU#0: syz.2.19/5879\n  WARNING: arch/x86/kvm/vmx/nested.h:61 at vmx_update_cr8_intercept+0x3de/0x4e0 arch/x86/kvm/vmx/vmx.c:6879, CPU#0: syz.2.19/5879\n  Modules linked in:\n  CPU: 0 UID: 0 PID: 5879 Comm: syz.2.19 Not tainted syzkaller #0 PREEMPT(full)\n  Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014\n  RIP: 0010:get_vmcs12 arch/x86/kvm/vmx/nested.h:60 [inline]\n  RIP: 0010:vmx_update_cr8_intercept+0x3de/0x4e0 arch/x86/kvm/vmx/vmx.c:6879\n  Call Trace:\n   <TASK>\n   apic_update_ppr arch/x86/kvm/lapic.c:984 [inline]\n   kvm_lapic_reset+0x1c24/0x2980 arch/x86/kvm/lapic.c:3023\n   kvm_vcpu_reset+0x44c/0x1bf0 arch/x86/kvm/x86.c:12986\n   kvm_arch_vcpu_create+0x746/0x8b0 arch/x86/kvm/x86.c:12847\n   kvm_vm_ioctl_create_vcpu+0x428/0x930 virt/kvm/kvm_main.c:4201\n   kvm_vm_ioctl+0x893/0xd50 virt/kvm/kvm_main.c:5159\n   vfs_ioctl fs/ioctl.c:51 [inline]\n   __do_sys_ioctl fs/ioctl.c:597 [inline]\n   __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583\n   do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n   do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94\n   entry_SYSCALL_64_after_hwframe+0x77/0x7f\n   </TASK>\n\nNo functional change intended.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "under_investigation": [
          "Debian-10:hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:libbpf-dev-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:libbpf4.19-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:libcpupower-dev-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:libcpupower1-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-compiler-gcc-8-x86-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-config-4.19-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-cpupower-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-doc-4.19-0:4.19.325-1+tuxcare.els1.all",
          "Debian-10:linux-headers-4.19.0-28-all-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-headers-4.19.0-28-common-0:4.19.325-1+tuxcare.els1.all",
          "Debian-10:linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-image-amd64-signed-template-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-kbuild-4.19-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-libc-dev-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-perf-4.19-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-source-4.19-0:4.19.325-1+tuxcare.els1.all",
          "Debian-10:linux-support-4.19.0-28-0:4.19.325-1+tuxcare.els1.all"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-64604"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/258ec63c0f281bf7b50f9de67c8e93b5b7be5ed4",
          "url": "https://git.kernel.org/stable/c/258ec63c0f281bf7b50f9de67c8e93b5b7be5ed4"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/3dcfb04dd43b16fa1240fc6487fff578ad57264c",
          "url": "https://git.kernel.org/stable/c/3dcfb04dd43b16fa1240fc6487fff578ad57264c"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/570af5db081b87374594a00711ac5760d2ea6844",
          "url": "https://git.kernel.org/stable/c/570af5db081b87374594a00711ac5760d2ea6844"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/7ef78d71ca713d8c00f7c34ddcf276c808143f77",
          "url": "https://git.kernel.org/stable/c/7ef78d71ca713d8c00f7c34ddcf276c808143f77"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/9a21f1defd96c6301c5fb462a78eb51b191bd2dd",
          "url": "https://git.kernel.org/stable/c/9a21f1defd96c6301c5fb462a78eb51b191bd2dd"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/c7cd3605244c924249dea32632e1bc3e89bda543",
          "url": "https://git.kernel.org/stable/c/c7cd3605244c924249dea32632e1bc3e89bda543"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/db8407b9fd06d857a4a5e8bcff1d086d13007711",
          "url": "https://git.kernel.org/stable/c/db8407b9fd06d857a4a5e8bcff1d086d13007711"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/ffaaff82336db84e9b58e7a3e81c2fd64e05ed7a",
          "url": "https://git.kernel.org/stable/c/ffaaff82336db84e9b58e7a3e81c2fd64e05ed7a"
        }
      ],
      "release_date": "2026-08-06T08:16:00Z",
      "remediations": [
        {
          "category": "none_available",
          "date": "2026-08-18T12:12:33.211542Z",
          "details": "Affected",
          "product_ids": [
            "Debian-10:hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:libbpf-dev-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:libbpf4.19-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:libcpupower-dev-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:libcpupower1-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:linux-compiler-gcc-8-x86-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:linux-config-4.19-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:linux-cpupower-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:linux-doc-4.19-0:4.19.325-1+tuxcare.els1.all",
            "Debian-10:linux-headers-4.19.0-28-all-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:linux-headers-4.19.0-28-common-0:4.19.325-1+tuxcare.els1.all",
            "Debian-10:linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:linux-image-amd64-signed-template-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:linux-kbuild-4.19-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:linux-libc-dev-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:linux-perf-4.19-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:linux-source-4.19-0:4.19.325-1+tuxcare.els1.all",
            "Debian-10:linux-support-4.19.0-28-0:4.19.325-1+tuxcare.els1.all"
          ]
        }
      ]
    }
  ]
}