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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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      },
      {
        "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-2022-49738",
      "cwe": {
        "id": "CWE-125",
        "name": "Out-of-bounds Read"
      },
      "notes": [
        {
          "category": "description",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to do sanity check on i_extra_isize in is_alive()\n\nsyzbot found a f2fs bug:\n\nBUG: KASAN: slab-out-of-bounds in data_blkaddr fs/f2fs/f2fs.h:2891 [inline]\nBUG: KASAN: slab-out-of-bounds in is_alive fs/f2fs/gc.c:1117 [inline]\nBUG: KASAN: slab-out-of-bounds in gc_data_segment fs/f2fs/gc.c:1520 [inline]\nBUG: KASAN: slab-out-of-bounds in do_garbage_collect+0x386a/0x3df0 fs/f2fs/gc.c:1734\nRead of size 4 at addr ffff888076557568 by task kworker/u4:3/52\n\nCPU: 1 PID: 52 Comm: kworker/u4:3 Not tainted 6.1.0-rc4-syzkaller-00362-gfef7fd48922d #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022\nWorkqueue: writeback wb_workfn (flush-7:0)\nCall Trace:\n<TASK>\n__dump_stack lib/dump_stack.c:88 [inline]\ndump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\nprint_address_description mm/kasan/report.c:284 [inline]\nprint_report+0x15e/0x45d mm/kasan/report.c:395\nkasan_report+0xbb/0x1f0 mm/kasan/report.c:495\ndata_blkaddr fs/f2fs/f2fs.h:2891 [inline]\nis_alive fs/f2fs/gc.c:1117 [inline]\ngc_data_segment fs/f2fs/gc.c:1520 [inline]\ndo_garbage_collect+0x386a/0x3df0 fs/f2fs/gc.c:1734\nf2fs_gc+0x88c/0x20a0 fs/f2fs/gc.c:1831\nf2fs_balance_fs+0x544/0x6b0 fs/f2fs/segment.c:410\nf2fs_write_inode+0x57e/0xe20 fs/f2fs/inode.c:753\nwrite_inode fs/fs-writeback.c:1440 [inline]\n__writeback_single_inode+0xcfc/0x1440 fs/fs-writeback.c:1652\nwriteback_sb_inodes+0x54d/0xf90 fs/fs-writeback.c:1870\nwb_writeback+0x2c5/0xd70 fs/fs-writeback.c:2044\nwb_do_writeback fs/fs-writeback.c:2187 [inline]\nwb_workfn+0x2dc/0x12f0 fs/fs-writeback.c:2227\nprocess_one_work+0x9bf/0x1710 kernel/workqueue.c:2289\nworker_thread+0x665/0x1080 kernel/workqueue.c:2436\nkthread+0x2e4/0x3a0 kernel/kthread.c:376\nret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306\n\nThe root cause is that we forgot to do sanity check on .i_extra_isize\nin below path, result in accessing invalid address later, fix it.\n- gc_data_segment\n - is_alive\n  - data_blkaddr\n   - offset_in_addr",
          "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": [
          "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-2022-49738"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/5b25035fb888cb2f78bf0b9c9f95b1dc54480d36",
          "url": "https://git.kernel.org/stable/c/5b25035fb888cb2f78bf0b9c9f95b1dc54480d36"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/914e38f02a490dafd980ff0f39cccedc074deb29",
          "url": "https://git.kernel.org/stable/c/914e38f02a490dafd980ff0f39cccedc074deb29"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/97ccfffcc061e54ce87e4a51a40e2e9cb0b7076a",
          "url": "https://git.kernel.org/stable/c/97ccfffcc061e54ce87e4a51a40e2e9cb0b7076a"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/d3b7b4afd6b2c344eabf9cc26b8bfa903c164c7c",
          "url": "https://git.kernel.org/stable/c/d3b7b4afd6b2c344eabf9cc26b8bfa903c164c7c"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/e5142a4935c1f15841d06047b8130078fc4d7b8f",
          "url": "https://git.kernel.org/stable/c/e5142a4935c1f15841d06047b8130078fc4d7b8f"
        }
      ],
      "release_date": "2025-03-27T17:15:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "date": "2026-08-16T12:29:35.859482Z",
          "details": "The debian10els kernel is not affected by CVE-2022-49738: the vulnerable code was never introduced into this branch.",
          "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"
          ]
        }
      ]
    }
  ]
}