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        "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.",
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        "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-2026-53185",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
      },
      "notes": [
        {
          "category": "description",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nzram: fix use-after-free in zram_bvec_write_partial()\n\nzram_read_page() picks the sync or async backing device read path based on\nwhether the parent bio is NULL.  zram_bvec_write_partial() passes its\nparent bio down, so for ZRAM_WB slots the read is dispatched\nasynchronously and zram_read_page() returns 0 while the bio is still in\nflight.  The caller then runs memcpy_from_bvec(), zram_write_page() and\n__free_page() on the buffer, leaving the async read to write into a freed\npage.\n\nzram_bvec_read_partial() was switched to NULL in commit 4e3c87b9421d\n(\"zram: fix synchronous reads\") for the same reason; the write_partial\ncounterpart was missed.",
          "title": "Vulnerability description"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
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          "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",
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          "Debian-10:linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64",
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          "Debian-10:linux-image-amd64-signed-template-0:4.19.325-1+tuxcare.els1.amd64",
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          "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-2026-53185"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/0c2821665ff71be3f4b07ecece384669f2877f6a",
          "url": "https://git.kernel.org/stable/c/0c2821665ff71be3f4b07ecece384669f2877f6a"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/198b5a14cca27263b9c14b20114c8092de15dfcb",
          "url": "https://git.kernel.org/stable/c/198b5a14cca27263b9c14b20114c8092de15dfcb"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/732fd9f0b9c1cdc6dfd77162ded60df005182cc0",
          "url": "https://git.kernel.org/stable/c/732fd9f0b9c1cdc6dfd77162ded60df005182cc0"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/77a602b505ce4802915853cfc435a4722fab3e64",
          "url": "https://git.kernel.org/stable/c/77a602b505ce4802915853cfc435a4722fab3e64"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/c96786d6ff1acc1d54d9241e97767554c1dfdd5b",
          "url": "https://git.kernel.org/stable/c/c96786d6ff1acc1d54d9241e97767554c1dfdd5b"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/security/cve/CVE-2026-53185",
          "url": "https://access.redhat.com/security/cve/CVE-2026-53185"
        },
        {
          "category": "external",
          "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2492735",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492735"
        },
        {
          "category": "external",
          "summary": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53185.json",
          "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53185.json"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:59723",
          "url": "https://access.redhat.com/errata/RHSA-2026:59723"
        }
      ],
      "release_date": "2026-06-25T08:38:58Z",
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "date": "2026-08-06T12:24:33.107331Z",
          "details": "CVE-2026-53185 was not introduced into debian10els (4.19): its zram partial-write path reads the backing device synchronously (read_from_bdev with sync=partial_io=true), so the async UAF fixed upstream does not exist; the regressing refactor (upstream e42d55f08e4cc / 4e3c87b9421df497d849ae61aab9762de7f66afb 'zram: fix synchronous reads') was never merged into this branch.",
          "product_ids": [
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            "Debian-10:libcpupower-dev-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:libcpupower1-0:4.19.325-1+tuxcare.els1.amd64",
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      ]
    }
  ]
}