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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_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-2026-68165",
      "notes": [
        {
          "category": "description",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/core: validate ranges in damon_set_regions()\n\nDAMON core logic assumes zero length regions don't exist.  However, a few\nDAMON API callers including DAMON_SYSFS, DAMON_RECLAIM and DAMON_LRU_SORT\nallow users to set empty monitoring target regions.  This could result in\nWARN_ONCE() on CONFIG_DAMON_DEBUG_SANITY enabled kernel, and\ndivide-by-zero from damon_merge_two_regions().\n\nFor example, the WANR_ONCE() can be triggered like below.\n\n    # grep DAMON_DEBUG_SANITY /boot/config-$(uname -r)\n    # CONFIG_DAMON_DEBUG_SANITY=y\n    # damo start\n    # cd /sys/kernel/mm/damon/admin/kdamonds/0\n    # echo 0 > contexts/0/targets/0/regions/0/start\n    # echo 0 > contexts/0/targets/0/regions/0/end\n    # echo commit > state\n    # dmesg\n    [....]\n    [   73.705780] ------------[ cut here ]------------\n    [   73.707552] start 0 >= end 0\n    [   73.708452] WARNING: mm/damon/core.c:359 at damon_new_region+0x6e/0x80, CPU#1: kdamond.0/758\n    [...]\n\nAll DAMON API callers eventually use damon_set_regions() to setup the\nregions.  Add the validation logic in the function.",
          "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:libbpf4.19-0:4.19.325-1+tuxcare.els1.amd64",
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          "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",
          "Debian-10:linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64",
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          "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-2026-68165"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/1292c0ecb1caefb8ca064a3639d5673991e8810c",
          "url": "https://git.kernel.org/stable/c/1292c0ecb1caefb8ca064a3639d5673991e8810c"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/43aaddd0fa92010a68adeda7744c7cf497a1c8e9",
          "url": "https://git.kernel.org/stable/c/43aaddd0fa92010a68adeda7744c7cf497a1c8e9"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/4b6f1d6d5d07855bd1bb9e64922b049062138bfa",
          "url": "https://git.kernel.org/stable/c/4b6f1d6d5d07855bd1bb9e64922b049062138bfa"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/71cf8a3ee1c18cfa8b88cc14bac9c2f43dd29f9b",
          "url": "https://git.kernel.org/stable/c/71cf8a3ee1c18cfa8b88cc14bac9c2f43dd29f9b"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/b585facbafbb5cf117b37b1c75819ac046646c27",
          "url": "https://git.kernel.org/stable/c/b585facbafbb5cf117b37b1c75819ac046646c27"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/c927b73a5694c735314ea10e7c81c07f9bd51ad7",
          "url": "https://git.kernel.org/stable/c/c927b73a5694c735314ea10e7c81c07f9bd51ad7"
        }
      ],
      "release_date": "2026-08-10T13:20:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        },
        {
          "category": "impact",
          "date": "2026-08-22T12:53:41.136702Z",
          "details": "CVE-2026-68165 does not affect debian10els because the vulnerable code was never introduced. The flaw is a missing range validation in the DAMON core function damon_set_regions() (mm/damon/core.c), part of the DAMON memory-monitoring subsystem added upstream in Linux 5.15. This kernel is based on 4.19 and carries no DAMON code at all.",
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}