Linux Distros Unpatched Vulnerability : CVE-2026-99184

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

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  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/10/29");

  script_cve_id("CVE-2026-99184");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2026-99184");

  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.

  - accel/rocket: search every core slot when a core is removed rocket_remove() decrements rdev->num_cores for
    each core it removes, while find_core_for_dev() searches slots 0 to num_cores - 1. Unbinding the cores in
    the order they were bound therefore loses the last one: by the time it is removed the search range has
    already shrunk past its slot, so find_core_for_dev() returns -1 and rocket_remove() gives up without doing
    anything. num_cores never reaches zero, rocket_device_fini() never runs, and the file-scoped rdev keeps
    pointing at a device that is going away. Binding the cores again starts from that stale count, because
    rocket_probe() takes rdev->num_cores as the slot to fill. On an RK3588, which describes three cores, the
    second round lands on slots 1, 2 and 3 while rdev->cores was allocated with room for three: rocket
    fdab0000.npu: Rockchip NPU core 1 version: 1179210309 rocket fdac0000.npu: Rockchip NPU core 2 version:
    1179210309 rocket fdad0000.npu: Rockchip NPU core 3 version: 1179210309 The write to rdev->cores[3] is
    past the end of the array. Nothing in tree reads the core array often enough to notice, so the overrun is
    silent today. It turned up while testing a devfreq series on top of this, where a worker walks every core
    a few times a second, and UBSAN caught the first bool it read out of the overrun entry: UBSAN: invalid-
    load in drivers/accel/rocket/rocket_devfreq.c:47:10 load of value 5 is not a valid value for type '_Bool'
    Workqueue: devfreq_wq devfreq_monitor Record how many slots were allocated and search all of them. Every
    core is then found on removal, num_cores reaches zero, the device is torn down and a later bind starts
    from a clean rdev. This does not make unbinding a single core out of several work. probe still takes
    num_cores as the slot to fill, so rebinding one core while its siblings stay bound would write over a slot
    that is already in use, and rocket_open() still reaches for cores[0] whether or not anything is there.
    Both of those want more thought than a fix should carry. Found by unbinding and rebinding all three cores
    on an Orange Pi 5 Plus. With this applied, 25 unbind/rebind rounds and 5 module unload/reload rounds run
    clean there: the cores land in slots 0, 1 and 2 every time, whichever order they are bound in, and the
    shared supply goes back to a single user after each round. (CVE-2026-99184)

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-2026-99184");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/CVE-2026-99184");
  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:P/I:C/A:C");
  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-2026-99184");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/10/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/10/28");

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}

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-7.2.12+deb14-alpha-generic"},
          {"reference": "linux-base-7.2.12+deb14-amd64"},
          {"reference": "linux-base-7.2.12+deb14-arm64"},
          {"reference": "linux-base-7.2.12+deb14-arm64-16k"},
          {"reference": "linux-base-7.2.12+deb14-armmp"},
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          {"reference": "linux-base-7.2.12+deb14-cloud-arm64"},
          {"reference": "linux-base-7.2.12+deb14-loong64"},
          {"reference": "linux-base-7.2.12+deb14-m68k"},
          {"reference": "linux-base-7.2.12+deb14-parisc"},
          {"reference": "linux-base-7.2.12+deb14-parisc64"},
          {"reference": "linux-base-7.2.12+deb14-powerpc"},
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          {"reference": "linux-base-7.2.12+deb14-sparc64"},
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          {"reference": "linux-base-alpha-generic"},
          {"reference": "linux-base-armmp"},
          {"reference": "linux-base-armmp-lpae"},
          {"reference": "linux-base-loong64"}
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      }
    ]
  },
  "Ubuntu Linux-16.04": {
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    "constraints": [
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        "pkgs": [
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  "Ubuntu Linux-18.04": {
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    "constraints": [
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        "pkgs": [
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          {"reference": "linux-modules-extra-4.15.0"},
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          {"reference": "linux-oem-tools-4.15.0"},
          {"reference": "linux-oracle-5.0"},
          {"reference": "linux-oracle-5.3"},
          {"reference": "linux-tools-4.15.0"},
          {"reference": "linux-udebs-azure"},
          {"reference": "linux-udebs-oem"}
        ]
      }
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  },
  "Ubuntu Linux-20.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "20.04",
        "pkgs": [
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          {"reference": "linux-azure-fde"},
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          {"reference": "linux-gcp-5.8"},
          {"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-5.8"},
          {"reference": "linux-image-5.4.0"},
          {"reference": "linux-image-unsigned-5.6.0"},
          {"reference": "linux-intel-5.13"},
          {"reference": "linux-libc-dev"},
          {"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-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-5.8"},
          {"reference": "linux-raspi2"},
          {"reference": "linux-riscv-5.11"},
          {"reference": "linux-riscv-5.8"},
          {"reference": "linux-riscv-headers-5.4.0"},
          {"reference": "linux-riscv-tools-5.4.0"},
          {"reference": "linux-tools-5.4.0"},
          {"reference": "linux-tools-5.6.0"},
          {"reference": "linux-udebs-generic"},
          {"reference": "linux-udebs-oem"}
        ]
      }
    ]
  },
  "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-azure-5.19"},
          {"reference": "linux-azure-6.2"},
          {"reference": "linux-azure-6.5"},
          {"reference": "linux-azure-fde-5.19"},
          {"reference": "linux-azure-fde-6.2"},
          {"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-gcp-5.19"},
          {"reference": "linux-gcp-6.2"},
          {"reference": "linux-gcp-6.5"},
          {"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-image-5.15.0"},
          {"reference": "linux-image-unsigned-5.17.0"},
          {"reference": "linux-intel-iot-realtime"},
          {"reference": "linux-lowlatency-hwe-5.19"},
          {"reference": "linux-lowlatency-hwe-6.2"},
          {"reference": "linux-lowlatency-hwe-6.5"},
          {"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-6.2"},
          {"reference": "linux-nvidia-6.5"},
          {"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-realtime"},
          {"reference": "linux-riscv-5.19"},
          {"reference": "linux-riscv-6.5"},
          {"reference": "linux-riscv-headers-5.15.0"},
          {"reference": "linux-riscv-tools-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"}
        ]
      }
    ]
  },
  "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-azure-6.11"},
          {"reference": "linux-azure-6.14"},
          {"reference": "linux-azure-6.17"},
          {"reference": "linux-azure-7.0"},
          {"reference": "linux-azure-fde-6.14"},
          {"reference": "linux-azure-fde-6.17"},
          {"reference": "linux-azure-fde-7.0"},
          {"reference": "linux-azure-nvidia-6.14"},
          {"reference": "linux-buildinfo-6.8.0"},
          {"reference": "linux-cloud-tools-6.8.0"},
          {"reference": "linux-gcp-6.11"},
          {"reference": "linux-gcp-6.14"},
          {"reference": "linux-gcp-6.17"},
          {"reference": "linux-gcp-7.0"},
          {"reference": "linux-headers-6.8.0"},
          {"reference": "linux-hwe-6.11"},
          {"reference": "linux-hwe-6.14"},
          {"reference": "linux-hwe-7.0"},
          {"reference": "linux-image-6.8.0"},
          {"reference": "linux-image-unsigned-6.8.0"},
          {"reference": "linux-lowlatency-hwe-6.11"},
          {"reference": "linux-modules-6.8.0"},
          {"reference": "linux-modules-extra-6.8.0"},
          {"reference": "linux-modules-ipu6-6.8.0"},
          {"reference": "linux-modules-iwlwifi-6.8.0"},
          {"reference": "linux-nvidia-6.11"},
          {"reference": "linux-nvidia-6.17"},
          {"reference": "linux-nvidia-7.0"},
          {"reference": "linux-oem-6.11"},
          {"reference": "linux-oem-6.14"},
          {"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-raspi-realtime"},
          {"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-tools-6.8.0"}
        ]
      }
    ]
  },
  "Ubuntu Linux-26.10": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "26.10",
        "pkgs": [
          {"reference": "bpftool"},
          {"reference": "linux-aws-cloud-tools-7.3.0"},
          {"reference": "linux-aws-headers-7.3.0"},
          {"reference": "linux-aws-tools-7.3.0"},
          {"reference": "linux-azure-cloud-tools-7.3.0"},
          {"reference": "linux-azure-fde-cloud-tools-7.3.0"},
          {"reference": "linux-azure-fde-headers-7.3.0"},
          {"reference": "linux-azure-fde-tools-7.3.0"},
          {"reference": "linux-azure-headers-7.3.0"},
          {"reference": "linux-azure-tools-7.3.0"},
          {"reference": "linux-bpf-dev"},
          {"reference": "linux-buildinfo-7.3.0"},
          {"reference": "linux-cloud-tools-7.3.0"},
          {"reference": "linux-cloud-tools-common"},
          {"reference": "linux-doc"},
          {"reference": "linux-gcp-headers-7.3.0"},
          {"reference": "linux-gcp-tools-7.3.0"},
          {"reference": "linux-headers-7.3.0"},
          {"reference": "linux-image-7.3.0"},
          {"reference": "linux-image-unsigned-7.3.0"},
          {"reference": "linux-lib-rust-7.3.0"},
          {"reference": "linux-libc-dev"},
          {"reference": "linux-modules-7.3.0"},
          {"reference": "linux-modules-extra-7.3.0"},
          {"reference": "linux-oracle-headers-7.3.0"},
          {"reference": "linux-oracle-tools-7.3.0"},
          {"reference": "linux-perf"},
          {"reference": "linux-raspi-headers-7.3.0"},
          {"reference": "linux-raspi-tools-7.3.0"},
          {"reference": "linux-realtime-cloud-tools-7.3.0"},
          {"reference": "linux-realtime-headers-7.3.0"},
          {"reference": "linux-realtime-tools-7.3.0"},
          {"reference": "linux-riscv-headers-7.3.0"},
          {"reference": "linux-riscv-tools-7.3.0"},
          {"reference": "linux-source-7.3.0"},
          {"reference": "linux-tools-7.3.0"},
          {"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"}
        ]
      }
    ]
  },
  "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_WARNING,
      extra      : report
  );
  exit(0);
}
else
{
  audit(AUDIT_HOST_NOT, 'affected');
}