Linux Distros Unpatched Vulnerability : CVE-2026-89772

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

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  script_cve_id("CVE-2026-89772");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2026-89772");

  script_set_attribute(attribute:"synopsis", value:
"The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be
patched.");
  script_set_attribute(attribute:"description", value:
"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied
patch available.

  - btrfs: write-protect folios during data writeback commit 095be159f3eb (btrfs: unify folio dirty flag
    clearing) replaced the folio_clear_dirty_for_io() call in extent_write_cache_pages() with a plain
    folio_test_dirty() check. Besides clearing the dirty flag, folio_clear_dirty_for_io() also calls
    folio_mkclean(), which write-protects the shared mmap PTEs mapping the folio. Note that we still do call
    folio_clear_dirty_for_io() later in submit_one_sector() when we clear dirty on the last sector of the
    folio (the only sector for non-subpage cases). But we lost this early call in extent_write_cache_pages().
    Without the extra write-protection, a process with the file mmap-ed can modify a sector while it is being
    used by writeback in a way that expects a stable folio (checksumming, compressing, copying, etc...)
    without faulting, which manifests as a handful of concrete bugs. 1. For large folios or subpage
    sectorsize, it is possible to submit a bio which does not cover the whole folio. When this happens, we
    will have a bio in flight for a folio that we have *not* called folio_clear_dirty_for_io() on. If a task
    with an existing mmap-ed PTE writes (without faulting..) in this window, it can result in corruptions. If
    the write arrives while the checksumming or writing itself is underway, this can result in an invalid
    checksum and later corruption reports on read. If the write arrives after checksumming/writing is done but
    before the last sector dirty is cleared, then the write is present in page cache but doesn't affect the
    dirty tracking and will be lost when the folio is fully finished being submitted and the dirty bit is
    cleared. This results in losing the write even if fsync() is called. 2. For zoned submissions which are
    done in batch separate from the main extent_writepage() loop, we also risk csum violations for those
    submissions. Zoned writes are clamped to max_zone_append_size and are not aligned with folios, so a
    submission can span two folios. The first folio being processed in extent_write_cache_pages() will call
    extent_write_locked_range() which will submit the partial range of the next folio, while the rest of that
    folio could still be dirty. So clearing dirty on the submitted sectors doesn't call
    folio_clear_dirty_for_io() and we have the same issue. Since extent_write_cache_pages() skips these batch
    submitted folios (they are already marked for writeback from submission by the preceding folio), we must
    add the extra write protection in lock_delalloc_folios(). 3. For inline extents this will subtly risk
    losing writes that happen after/while we copy the inline extent but before we clear dirty on the folio. 4.
    For folios spanning EOF, mmap could tamper with the zeroed bytes past EOF and cause them to be persisted
    where future faults would improperly see them instead of zeros. 5. Finally, for compressed extents, we
    risk modifying the folios while we work on compressing them which will result in corrupted compressed
    data. Specifically, in run_delalloc_compressed() we queue up work to do compress_file_range() in
    BTRFS_COMPRESSION_CHUNK_SIZE (512K) chunks which will call btrfs_folio_clamp_clear_dirty() on the range.
    For non-subpage, this will always clear the whole folio, safely. For subpage, we risk a partial clear here
    as well. In particular, imagine a 2M folio broken up into 512K chunks of work which might start
    compression work on one chunk before all the chunks compress_file_range() workers have gotten far enough
    to finish clearing all the dirty bitmaps of the folio and getting to folio_clear_dirty_for_io(). Large
    folios on the edges of submission ranges are similarly at risk to be only partly cleared. This particular
    gap was introduced by a second patch in the same series: commit a4ef54dbb576 (btrfs: make
    extent_range_clear_dirty_for_io() to handle sector size < page size cases) We cannot simply restore the
    call to folio_clear ---truncated--- (CVE-2026-89772)

Note that Nessus relies on the presence of the package as reported by the vendor.");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2026-89772");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/CVE-2026-89772");
  script_set_attribute(attribute:"solution", value:
"There is no known solution at this time.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:N/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:U/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:U/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-89772");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
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  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info2.nasl", "set_linux_os_id.nasl");
  script_require_keys("Host/cpu", "Host/local_checks_enabled", "global_settings/vendor_unpatched", "Host/OS/identifier");
  script_require_ports("Host/OS/Debian Linux-14", "Host/OS/Ubuntu Linux-14.04", "Host/OS/Ubuntu Linux-16.04", "Host/OS/Ubuntu Linux-18.04", "Host/OS/Ubuntu Linux-20.04", "Host/OS/Ubuntu Linux-22.04", "Host/OS/Ubuntu Linux-24.04", "Host/OS/Ubuntu Linux-26.04");

  exit(0);
}

if (!get_kb_item("global_settings/vendor_unpatched")) exit(0, "Unpatched Vulnerabilities Detection not active.");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (empty_or_null(get_one_kb_item("Host/Debian/dpkg-l"))) audit(AUDIT_PACKAGE_LIST_MISSING);

include('linux_unpatched.inc');

var distro_constraints_array = {
  "Debian Linux-14": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "14",
        "pkgs": [
          {"reference": "bpftool"},
          {"reference": "hyperv-daemons"},
          {"reference": "intel-sdsi"},
          {"reference": "libcpupower-dev"},
          {"reference": "libcpupower1"},
          {"reference": "linux-base-7.1.13+deb14-alpha-generic"},
          {"reference": "linux-base-7.1.13+deb14-alpha-smp"},
          {"reference": "linux-base-7.1.13+deb14-amd64"},
          {"reference": "linux-base-7.1.13+deb14-arm64"},
          {"reference": "linux-base-7.1.13+deb14-arm64-16k"},
          {"reference": "linux-base-7.1.13+deb14-armmp"},
          {"reference": "linux-base-7.1.13+deb14-armmp-lpae"},
          {"reference": "linux-base-7.1.13+deb14-cloud-amd64"},
          {"reference": "linux-base-7.1.13+deb14-cloud-arm64"},
          {"reference": "linux-base-7.1.13+deb14-loong64"},
          {"reference": "linux-base-7.1.13+deb14-m68k"},
          {"reference": "linux-base-7.1.13+deb14-parisc"},
          {"reference": "linux-base-7.1.13+deb14-parisc64"},
          {"reference": "linux-base-7.1.13+deb14-powerpc"},
          {"reference": "linux-base-7.1.13+deb14-powerpc-smp"},
          {"reference": "linux-base-7.1.13+deb14-powerpc64"},
          {"reference": "linux-base-7.1.13+deb14-powerpc64-64k"},
          {"reference": "linux-base-7.1.13+deb14-powerpc64le"},
          {"reference": "linux-base-7.1.13+deb14-powerpc64le-64k"},
          {"reference": "linux-base-7.1.13+deb14-riscv64"},
          {"reference": "linux-base-7.1.13+deb14-rt-amd64"},
          {"reference": "linux-base-7.1.13+deb14-rt-arm64"},
          {"reference": "linux-base-7.1.13+deb14-s390x"},
          {"reference": "linux-base-7.1.13+deb14-sh7751r"},
          {"reference": "linux-base-7.1.13+deb14-sparc64"},
          {"reference": "linux-base-7.1.13+deb14-sparc64-smp"}
        ]
      }
    ]
  },
  "Ubuntu Linux-14.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "14.04",
        "pkgs": [
          {"reference": "linux-aws"},
          {"reference": "linux-azure"},
          {"reference": "linux-cloud-tools-3.13.0"},
          {"reference": "linux-cloud-tools-common"},
          {"reference": "linux-doc"},
          {"reference": "linux-headers-3.13.0"},
          {"reference": "linux-image-3.13.0"},
          {"reference": "linux-image-extra-3.13.0"},
          {"reference": "linux-libc-dev"},
          {"reference": "linux-lts-xenial"},
          {"reference": "linux-source-3.13.0"},
          {"reference": "linux-tools-3.13.0"},
          {"reference": "linux-tools-common"},
          {"reference": "linux-udebs-generic"},
          {"reference": "linux-udebs-generic-lpae"},
          {"reference": "linux-udebs-lowlatency"}
        ]
      }
    ]
  },
  "Ubuntu Linux-16.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "16.04",
        "pkgs": [
          {"reference": "linux-aws"},
          {"reference": "linux-aws-hwe"},
          {"reference": "linux-azure"},
          {"reference": "linux-cloud-tools-4.4.0"},
          {"reference": "linux-cloud-tools-common"},
          {"reference": "linux-doc"},
          {"reference": "linux-gcp"},
          {"reference": "linux-headers-4.4.0"},
          {"reference": "linux-hwe"},
          {"reference": "linux-hwe-edge"},
          {"reference": "linux-image-4.4.0"},
          {"reference": "linux-image-extra-4.4.0"},
          {"reference": "linux-kvm"},
          {"reference": "linux-libc-dev"},
          {"reference": "linux-oracle"},
          {"reference": "linux-source-4.4.0"},
          {"reference": "linux-tools-4.4.0"},
          {"reference": "linux-tools-common"},
          {"reference": "linux-udebs-generic"},
          {"reference": "linux-udebs-generic-lpae"},
          {"reference": "linux-udebs-lowlatency"}
        ]
      }
    ]
  },
  "Ubuntu Linux-18.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "18.04",
        "pkgs": [
          {"reference": "linux-aws-5.0"},
          {"reference": "linux-aws-5.3"},
          {"reference": "linux-aws-5.4"},
          {"reference": "linux-aws-cloud-tools-4.15.0"},
          {"reference": "linux-aws-headers-4.15.0"},
          {"reference": "linux-aws-tools-4.15.0"},
          {"reference": "linux-azure-4.15"},
          {"reference": "linux-azure-5.3"},
          {"reference": "linux-azure-5.4"},
          {"reference": "linux-azure-cloud-tools-4.15.0"},
          {"reference": "linux-azure-edge"},
          {"reference": "linux-azure-headers-4.15.0"},
          {"reference": "linux-azure-tools-4.15.0"},
          {"reference": "linux-cloud-tools-4.15.0"},
          {"reference": "linux-cloud-tools-common"},
          {"reference": "linux-doc"},
          {"reference": "linux-gcp-4.15"},
          {"reference": "linux-gcp-5.3"},
          {"reference": "linux-gcp-5.4"},
          {"reference": "linux-gcp-headers-4.15.0"},
          {"reference": "linux-gcp-tools-4.15.0"},
          {"reference": "linux-gke-4.15"},
          {"reference": "linux-gke-5.4"},
          {"reference": "linux-gkeop-5.4"},
          {"reference": "linux-headers-4.15.0"},
          {"reference": "linux-hwe"},
          {"reference": "linux-hwe-5.4"},
          {"reference": "linux-hwe-edge"},
          {"reference": "linux-ibm-5.4"},
          {"reference": "linux-image-4.15.0"},
          {"reference": "linux-image-unsigned-4.15.0"},
          {"reference": "linux-kvm-cloud-tools-4.15.0"},
          {"reference": "linux-kvm-headers-4.15.0"},
          {"reference": "linux-kvm-tools-4.15.0"},
          {"reference": "linux-libc-dev"},
          {"reference": "linux-modules-4.15.0"},
          {"reference": "linux-modules-extra-4.15.0"},
          {"reference": "linux-oem-headers-4.15.0"},
          {"reference": "linux-oem-tools-4.15.0"},
          {"reference": "linux-oracle"},
          {"reference": "linux-oracle-5.0"},
          {"reference": "linux-oracle-5.3"},
          {"reference": "linux-oracle-5.4"},
          {"reference": "linux-raspi-5.4"},
          {"reference": "linux-source-4.15.0"},
          {"reference": "linux-tools-4.15.0"},
          {"reference": "linux-tools-common"},
          {"reference": "linux-tools-host"},
          {"reference": "linux-udebs-aws"},
          {"reference": "linux-udebs-azure"},
          {"reference": "linux-udebs-generic"},
          {"reference": "linux-udebs-generic-lpae"},
          {"reference": "linux-udebs-kvm"},
          {"reference": "linux-udebs-oem"}
        ]
      }
    ]
  },
  "Ubuntu Linux-20.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "20.04",
        "pkgs": [
          {"reference": "linux-aws-5.11"},
          {"reference": "linux-aws-5.13"},
          {"reference": "linux-aws-5.15"},
          {"reference": "linux-aws-5.8"},
          {"reference": "linux-aws-cloud-tools-5.4.0"},
          {"reference": "linux-aws-headers-5.4.0"},
          {"reference": "linux-aws-tools-5.4.0"},
          {"reference": "linux-azure-5.11"},
          {"reference": "linux-azure-5.13"},
          {"reference": "linux-azure-5.15"},
          {"reference": "linux-azure-5.8"},
          {"reference": "linux-azure-cloud-tools-5.4.0"},
          {"reference": "linux-azure-fde"},
          {"reference": "linux-azure-fde-5.15"},
          {"reference": "linux-azure-headers-5.4.0"},
          {"reference": "linux-azure-tools-5.4.0"},
          {"reference": "linux-bluefield"},
          {"reference": "linux-buildinfo-5.4.0"},
          {"reference": "linux-buildinfo-5.6.0"},
          {"reference": "linux-cloud-tools-5.4.0"},
          {"reference": "linux-cloud-tools-5.6.0"},
          {"reference": "linux-cloud-tools-common"},
          {"reference": "linux-doc"},
          {"reference": "linux-gcp-5.11"},
          {"reference": "linux-gcp-5.13"},
          {"reference": "linux-gcp-5.15"},
          {"reference": "linux-gcp-5.8"},
          {"reference": "linux-gcp-headers-5.4.0"},
          {"reference": "linux-gcp-tools-5.4.0"},
          {"reference": "linux-gke"},
          {"reference": "linux-gke-5.15"},
          {"reference": "linux-gkeop"},
          {"reference": "linux-gkeop-5.15"},
          {"reference": "linux-headers-5.4.0"},
          {"reference": "linux-headers-5.6.0"},
          {"reference": "linux-hwe-5.11"},
          {"reference": "linux-hwe-5.13"},
          {"reference": "linux-hwe-5.15"},
          {"reference": "linux-hwe-5.8"},
          {"reference": "linux-ibm"},
          {"reference": "linux-ibm-5.15"},
          {"reference": "linux-image-5.4.0"},
          {"reference": "linux-image-unsigned-5.4.0"},
          {"reference": "linux-image-unsigned-5.6.0"},
          {"reference": "linux-intel-5.13"},
          {"reference": "linux-intel-iotg-5.15"},
          {"reference": "linux-iot"},
          {"reference": "linux-kvm-cloud-tools-5.4.0"},
          {"reference": "linux-kvm-headers-5.4.0"},
          {"reference": "linux-kvm-tools-5.4.0"},
          {"reference": "linux-libc-dev"},
          {"reference": "linux-lowlatency-hwe-5.15"},
          {"reference": "linux-modules-5.4.0"},
          {"reference": "linux-modules-5.6.0"},
          {"reference": "linux-modules-extra-5.4.0"},
          {"reference": "linux-modules-extra-5.6.0"},
          {"reference": "linux-nvidia-tegra-5.15"},
          {"reference": "linux-oem-5.10"},
          {"reference": "linux-oem-5.13"},
          {"reference": "linux-oem-5.14"},
          {"reference": "linux-oem-5.6-headers-5.6.0"},
          {"reference": "linux-oem-5.6-tools-5.6.0"},
          {"reference": "linux-oem-5.6-tools-common"},
          {"reference": "linux-oem-5.6-tools-host"},
          {"reference": "linux-oracle-5.11"},
          {"reference": "linux-oracle-5.13"},
          {"reference": "linux-oracle-5.15"},
          {"reference": "linux-oracle-5.8"},
          {"reference": "linux-oracle-headers-5.4.0"},
          {"reference": "linux-oracle-tools-5.4.0"},
          {"reference": "linux-raspi-headers-5.4.0"},
          {"reference": "linux-raspi-tools-5.4.0"},
          {"reference": "linux-raspi2"},
          {"reference": "linux-riscv-5.11"},
          {"reference": "linux-riscv-5.15"},
          {"reference": "linux-riscv-5.8"},
          {"reference": "linux-riscv-headers-5.4.0"},
          {"reference": "linux-riscv-tools-5.4.0"},
          {"reference": "linux-source-5.4.0"},
          {"reference": "linux-tools-5.4.0"},
          {"reference": "linux-tools-5.6.0"},
          {"reference": "linux-tools-common"},
          {"reference": "linux-tools-host"},
          {"reference": "linux-udebs-aws"},
          {"reference": "linux-udebs-azure"},
          {"reference": "linux-udebs-generic"},
          {"reference": "linux-udebs-generic-lpae"},
          {"reference": "linux-udebs-kvm"},
          {"reference": "linux-udebs-oem"},
          {"reference": "linux-xilinx-zynqmp"}
        ]
      }
    ]
  },
  "Ubuntu Linux-22.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "22.04",
        "pkgs": [
          {"reference": "linux-allwinner-5.19"},
          {"reference": "linux-aws-5.19"},
          {"reference": "linux-aws-6.2"},
          {"reference": "linux-aws-6.5"},
          {"reference": "linux-aws-6.8"},
          {"reference": "linux-aws-cloud-tools-5.15.0"},
          {"reference": "linux-aws-headers-5.15.0"},
          {"reference": "linux-aws-tools-5.15.0"},
          {"reference": "linux-azure-5.19"},
          {"reference": "linux-azure-6.2"},
          {"reference": "linux-azure-6.5"},
          {"reference": "linux-azure-6.8"},
          {"reference": "linux-azure-cloud-tools-5.15.0"},
          {"reference": "linux-azure-fde"},
          {"reference": "linux-azure-fde-5.19"},
          {"reference": "linux-azure-fde-6.2"},
          {"reference": "linux-azure-fde-6.8"},
          {"reference": "linux-azure-headers-5.15.0"},
          {"reference": "linux-azure-tools-5.15.0"},
          {"reference": "linux-buildinfo-5.15.0"},
          {"reference": "linux-buildinfo-5.17.0"},
          {"reference": "linux-cloud-tools-5.15.0"},
          {"reference": "linux-cloud-tools-5.17.0"},
          {"reference": "linux-cloud-tools-common"},
          {"reference": "linux-doc"},
          {"reference": "linux-gcp-5.19"},
          {"reference": "linux-gcp-6.2"},
          {"reference": "linux-gcp-6.5"},
          {"reference": "linux-gcp-6.8"},
          {"reference": "linux-gcp-headers-5.15.0"},
          {"reference": "linux-gcp-tools-5.15.0"},
          {"reference": "linux-gke-headers-5.15.0"},
          {"reference": "linux-gke-tools-5.15.0"},
          {"reference": "linux-gkeop"},
          {"reference": "linux-headers-5.15.0"},
          {"reference": "linux-headers-5.17.0"},
          {"reference": "linux-hwe-5.19"},
          {"reference": "linux-hwe-6.2"},
          {"reference": "linux-hwe-6.5"},
          {"reference": "linux-hwe-6.8"},
          {"reference": "linux-ibm-6.8"},
          {"reference": "linux-ibm-cloud-tools-5.15.0"},
          {"reference": "linux-ibm-cloud-tools-common"},
          {"reference": "linux-ibm-headers-5.15.0"},
          {"reference": "linux-ibm-source-5.15.0"},
          {"reference": "linux-ibm-tools-5.15.0"},
          {"reference": "linux-ibm-tools-common"},
          {"reference": "linux-image-5.15.0"},
          {"reference": "linux-image-unsigned-5.15.0"},
          {"reference": "linux-image-unsigned-5.17.0"},
          {"reference": "linux-intel-iot-realtime"},
          {"reference": "linux-intel-iotg-cloud-tools-5.15.0"},
          {"reference": "linux-intel-iotg-cloud-tools-common"},
          {"reference": "linux-intel-iotg-headers-5.15.0"},
          {"reference": "linux-intel-iotg-tools-5.15.0"},
          {"reference": "linux-intel-iotg-tools-common"},
          {"reference": "linux-intel-iotg-tools-host"},
          {"reference": "linux-kvm-cloud-tools-5.15.0"},
          {"reference": "linux-kvm-headers-5.15.0"},
          {"reference": "linux-kvm-tools-5.15.0"},
          {"reference": "linux-libc-dev"},
          {"reference": "linux-lowlatency-cloud-tools-5.15.0"},
          {"reference": "linux-lowlatency-cloud-tools-common"},
          {"reference": "linux-lowlatency-headers-5.15.0"},
          {"reference": "linux-lowlatency-hwe-5.19"},
          {"reference": "linux-lowlatency-hwe-6.2"},
          {"reference": "linux-lowlatency-hwe-6.5"},
          {"reference": "linux-lowlatency-hwe-6.8"},
          {"reference": "linux-lowlatency-tools-5.15.0"},
          {"reference": "linux-lowlatency-tools-common"},
          {"reference": "linux-lowlatency-tools-host"},
          {"reference": "linux-modules-5.15.0"},
          {"reference": "linux-modules-5.17.0"},
          {"reference": "linux-modules-extra-5.15.0"},
          {"reference": "linux-modules-extra-5.17.0"},
          {"reference": "linux-nvidia"},
          {"reference": "linux-nvidia-6.2"},
          {"reference": "linux-nvidia-6.5"},
          {"reference": "linux-nvidia-6.8"},
          {"reference": "linux-nvidia-tegra"},
          {"reference": "linux-nvidia-tegra-igx"},
          {"reference": "linux-oem-5.17-headers-5.17.0"},
          {"reference": "linux-oem-5.17-tools-5.17.0"},
          {"reference": "linux-oem-5.17-tools-host"},
          {"reference": "linux-oem-6.0"},
          {"reference": "linux-oem-6.1"},
          {"reference": "linux-oem-6.5"},
          {"reference": "linux-oracle-6.5"},
          {"reference": "linux-oracle-6.8"},
          {"reference": "linux-oracle-headers-5.15.0"},
          {"reference": "linux-oracle-tools-5.15.0"},
          {"reference": "linux-raspi-headers-5.15.0"},
          {"reference": "linux-raspi-tools-5.15.0"},
          {"reference": "linux-realtime"},
          {"reference": "linux-riscv-5.19"},
          {"reference": "linux-riscv-6.5"},
          {"reference": "linux-riscv-6.8"},
          {"reference": "linux-riscv-headers-5.15.0"},
          {"reference": "linux-riscv-tools-5.15.0"},
          {"reference": "linux-source-5.15.0"},
          {"reference": "linux-starfive-5.19"},
          {"reference": "linux-starfive-6.2"},
          {"reference": "linux-starfive-6.5"},
          {"reference": "linux-tools-5.15.0"},
          {"reference": "linux-tools-5.17.0"},
          {"reference": "linux-tools-common"},
          {"reference": "linux-tools-host"},
          {"reference": "linux-udebs-aws"},
          {"reference": "linux-udebs-azure"},
          {"reference": "linux-xilinx-zynqmp"}
        ]
      }
    ]
  },
  "Ubuntu Linux-24.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "24.04",
        "pkgs": [
          {"reference": "linux-aws-6.14"},
          {"reference": "linux-aws-6.17"},
          {"reference": "linux-aws-7.0"},
          {"reference": "linux-aws-cloud-tools-6.8.0"},
          {"reference": "linux-aws-headers-6.8.0"},
          {"reference": "linux-aws-tools-6.8.0"},
          {"reference": "linux-azure-6.11"},
          {"reference": "linux-azure-6.14"},
          {"reference": "linux-azure-6.17"},
          {"reference": "linux-azure-7.0"},
          {"reference": "linux-azure-cloud-tools-6.8.0"},
          {"reference": "linux-azure-fde"},
          {"reference": "linux-azure-fde-6.14"},
          {"reference": "linux-azure-fde-6.17"},
          {"reference": "linux-azure-fde-7.0"},
          {"reference": "linux-azure-headers-6.8.0"},
          {"reference": "linux-azure-nvidia"},
          {"reference": "linux-azure-nvidia-6.14"},
          {"reference": "linux-azure-tools-6.8.0"},
          {"reference": "linux-buildinfo-6.8.0"},
          {"reference": "linux-cloud-tools-6.8.0"},
          {"reference": "linux-cloud-tools-common"},
          {"reference": "linux-doc"},
          {"reference": "linux-gcp-6.11"},
          {"reference": "linux-gcp-6.14"},
          {"reference": "linux-gcp-6.17"},
          {"reference": "linux-gcp-7.0"},
          {"reference": "linux-gcp-headers-6.8.0"},
          {"reference": "linux-gcp-tools-6.8.0"},
          {"reference": "linux-gke-headers-6.8.0"},
          {"reference": "linux-gke-tools-6.8.0"},
          {"reference": "linux-gkeop"},
          {"reference": "linux-headers-6.8.0"},
          {"reference": "linux-hwe-6.11"},
          {"reference": "linux-hwe-6.14"},
          {"reference": "linux-hwe-6.17"},
          {"reference": "linux-hwe-7.0"},
          {"reference": "linux-ibm-cloud-tools-6.8.0"},
          {"reference": "linux-ibm-cloud-tools-common"},
          {"reference": "linux-ibm-headers-6.8.0"},
          {"reference": "linux-ibm-source-6.8.0"},
          {"reference": "linux-ibm-tools-6.8.0"},
          {"reference": "linux-ibm-tools-common"},
          {"reference": "linux-image-6.8.0"},
          {"reference": "linux-image-unsigned-6.8.0"},
          {"reference": "linux-lib-rust-6.8.0"},
          {"reference": "linux-libc-dev"},
          {"reference": "linux-lowlatency-cloud-tools-6.8.0"},
          {"reference": "linux-lowlatency-cloud-tools-common"},
          {"reference": "linux-lowlatency-headers-6.8.0"},
          {"reference": "linux-lowlatency-hwe-6.11"},
          {"reference": "linux-lowlatency-lib-rust-6.8.0"},
          {"reference": "linux-lowlatency-tools-6.8.0"},
          {"reference": "linux-lowlatency-tools-common"},
          {"reference": "linux-lowlatency-tools-host"},
          {"reference": "linux-modules-6.8.0"},
          {"reference": "linux-modules-extra-6.8.0"},
          {"reference": "linux-modules-ipu6-6.8.0"},
          {"reference": "linux-modules-ivsc-6.8.0"},
          {"reference": "linux-modules-iwlwifi-6.8.0"},
          {"reference": "linux-nvidia"},
          {"reference": "linux-nvidia-6.11"},
          {"reference": "linux-nvidia-6.17"},
          {"reference": "linux-nvidia-7.0"},
          {"reference": "linux-nvidia-lowlatency"},
          {"reference": "linux-nvidia-tegra"},
          {"reference": "linux-oem-6.11"},
          {"reference": "linux-oem-6.14"},
          {"reference": "linux-oem-6.17"},
          {"reference": "linux-oem-6.8-headers-6.8.0"},
          {"reference": "linux-oem-6.8-lib-rust-6.8.0"},
          {"reference": "linux-oem-6.8-tools-6.8.0"},
          {"reference": "linux-oracle-6.14"},
          {"reference": "linux-oracle-6.17"},
          {"reference": "linux-oracle-7.0"},
          {"reference": "linux-oracle-headers-6.8.0"},
          {"reference": "linux-oracle-tools-6.8.0"},
          {"reference": "linux-raspi-headers-6.8.0"},
          {"reference": "linux-raspi-realtime"},
          {"reference": "linux-raspi-tools-6.8.0"},
          {"reference": "linux-realtime"},
          {"reference": "linux-riscv-6.14"},
          {"reference": "linux-riscv-6.17"},
          {"reference": "linux-riscv-7.0"},
          {"reference": "linux-riscv-headers-6.8.0"},
          {"reference": "linux-riscv-tools-6.8.0"},
          {"reference": "linux-source-6.8.0"},
          {"reference": "linux-tools-6.8.0"},
          {"reference": "linux-tools-common"},
          {"reference": "linux-tools-host"},
          {"reference": "linux-udebs-aws"},
          {"reference": "linux-udebs-azure"},
          {"reference": "linux-xilinx"}
        ]
      }
    ]
  },
  "Ubuntu Linux-26.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "26.04",
        "pkgs": [
          {"reference": "bpftool"},
          {"reference": "linux-aws-cloud-tools-7.0.0"},
          {"reference": "linux-aws-headers-7.0.0"},
          {"reference": "linux-aws-tools-7.0.0"},
          {"reference": "linux-azure-cloud-tools-7.0.0"},
          {"reference": "linux-azure-fde-cloud-tools-7.0.0"},
          {"reference": "linux-azure-fde-headers-7.0.0"},
          {"reference": "linux-azure-fde-tools-7.0.0"},
          {"reference": "linux-azure-headers-7.0.0"},
          {"reference": "linux-azure-tools-7.0.0"},
          {"reference": "linux-bpf-dev"},
          {"reference": "linux-buildinfo-7.0.0"},
          {"reference": "linux-cloud-tools-7.0.0"},
          {"reference": "linux-cloud-tools-common"},
          {"reference": "linux-doc"},
          {"reference": "linux-gcp-headers-7.0.0"},
          {"reference": "linux-gcp-tools-7.0.0"},
          {"reference": "linux-gke"},
          {"reference": "linux-headers-7.0.0"},
          {"reference": "linux-ibm-cloud-tools-7.0.0"},
          {"reference": "linux-ibm-headers-7.0.0"},
          {"reference": "linux-ibm-tools-7.0.0"},
          {"reference": "linux-image-7.0.0"},
          {"reference": "linux-image-unsigned-7.0.0"},
          {"reference": "linux-lib-rust-7.0.0"},
          {"reference": "linux-libc-dev"},
          {"reference": "linux-modules-7.0.0"},
          {"reference": "linux-modules-extra-7.0.0"},
          {"reference": "linux-nvidia"},
          {"reference": "linux-nvidia-bos"},
          {"reference": "linux-oem-7.0"},
          {"reference": "linux-oracle-headers-7.0.0"},
          {"reference": "linux-oracle-tools-7.0.0"},
          {"reference": "linux-perf"},
          {"reference": "linux-raspi-headers-7.0.0"},
          {"reference": "linux-raspi-tools-7.0.0"},
          {"reference": "linux-realtime-cloud-tools-7.0.0"},
          {"reference": "linux-realtime-headers-7.0.0"},
          {"reference": "linux-realtime-tools-7.0.0"},
          {"reference": "linux-riscv-headers-7.0.0"},
          {"reference": "linux-riscv-tools-7.0.0"},
          {"reference": "linux-source-7.0.0"},
          {"reference": "linux-tools-7.0.0"},
          {"reference": "linux-tools-common"},
          {"reference": "linux-tools-host"},
          {"reference": "linux-udebs-aws"},
          {"reference": "linux-udebs-aws-64k"},
          {"reference": "linux-udebs-azure"},
          {"reference": "linux-udebs-azure-fde"}
        ]
      }
    ]
  }
};

var distro_constraints_values = linux_unpatched::get_distro_constraints(distro_constraints_arr:distro_constraints_array);
if (empty_or_null(distro_constraints_values)) audit(AUDIT_HOST_NOT, 'affected');

var third_party_support = get_kb_item('Host/OS/extended-third-party');
if (!empty_or_null(third_party_support)) {
    var third_party_vendors = distro_constraints_values['third_party'];
    if (!empty_or_null(third_party_vendors)) {
        var vendor;
        foreach vendor (third_party_vendors) {
            if (vendor == third_party_support) exit(0, 'A third party management patch is available for this vulnerability from ' + vendor + '.\n');
        }
    }
}

var report = linux_unpatched::check_unpatched_constraints(distro_constraints_values:distro_constraints_values);

if (!empty_or_null(report))
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_NOTE,
      extra      : report
  );
  exit(0);
}
else
{
  audit(AUDIT_HOST_NOT, 'affected');
}