Fedora 42 : linux-firmware (2025-ecd9a3485b)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
# The descriptive text and package checks in this plugin were
# extracted from Fedora Security Advisory FEDORA-2025-ecd9a3485b
#

include('compat.inc');

if (description)
{
  script_id(276519);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/11/22");
  script_xref(name:"FEDORA", value:"2025-ecd9a3485b");

  script_name(english:"Fedora 42 : linux-firmware (2025-ecd9a3485b)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Fedora host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the
FEDORA-2025-ecd9a3485b advisory.

    Upstream linux-firmware 20251111 release:

    * rtl_bt: Update RTL8922A BT USB firmware to 0x41C0_C905
    * add firmware for mt7987 internal 2.5G ethernet phy
    * rtw88: 8822b: Update firmware to v30.20.0
    * rtl_nic: add firmware rtl8125k-1
    * ASoC: tas2781: Update dsp firmware for HP and ASUS projects
    * amdgpu: DMCUB updates for various ASICs
    * qcom: add SOCCP firmware for kaanapali platform
    * xe: Update GUC to v70.53.0 for BMG, LNL, PTL
    * i915: Update GUC to v70.53.0 for DG2, MTL
    * rtw89: 8851b: update fw to v0.29.41.5
    * rtw89: 8852b: update fw to v0.29.128.0 with format suffix -2
    * rtw89: 8852b: update fw to v0.29.29.14
    * rtw89: 8852bt: update fw to v0.29.127.0 with format suffix -1
    * Update firmware file for Intel BlazarI/BlazarU core
    * Create audio folder in ti folder, and move all the audio firmwares into it
    * amdgpu: DMCUB updates for various ASICs
    * Update AMD cpu microcode
    * mediatek MT7925: update bluetooth firmware to 20251015213201
    * rtl_bt: Add firmware and config files for RTL8761CUV
    * Update AMD cpu microcode
    * qcom: add ADSP firmware for kaanapali platform
    * amdgpu: DMCUB updates for various ASICs
    * mediatek MT7920: update bluetooth firmware to 20251020151255
    * update firmware for MT7920/MT7922/MT7925 WiFi device
    * amd-ucode: Fix minimum revisions in README
    * cirrus: cs35l41: Rename various Asus Laptop firmware files to not have Speaker ID
    * mediatek MT7922: update bluetooth firmware to 20251020143443

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://bodhi.fedoraproject.org/updates/FEDORA-2025-ecd9a3485b");
  script_set_attribute(attribute:"solution", value:
"Update the affected linux-firmware package.");
  script_set_attribute(attribute:"risk_factor", value:"High");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/11/17");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/11/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/11/22");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:42");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:linux-firmware");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Fedora Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list");

  exit(0);
}


include('rpm2.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_product = get_kb_item('installed_os/local/SSH/0/product');
if (isnull(os_product) || 'Fedora' >!< os_product) audit(AUDIT_OS_NOT, 'Fedora');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'Fedora');
if (! preg(pattern:"^42([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'Fedora 42', 'Fedora ' + os_version);

if (!get_kb_item('Host/RedHat/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Fedora', cpu);

var constraints = [
  {
    'release': '42',
    'pkgs': [
      {'reference':'linux-firmware-20251111-1.fc42', 'rpm_spec_vers_cmp':TRUE}
    ]
  }
];

var os_release = get_one_kb_item('installed_os/local/SSH/0/release');
var os_sp = get_one_kb_item('Host/*/minor_release');

var flag = 0;
var reference;
var sp;
var _cpu;
var el_string;
var rpm_spec_vers_cmp;
var epoch;
var allowmaj;
var exists_check;
var cves;
foreach var constraint ( constraints ) {
  # Check that the target release is equal to the affected release
  if (!empty_or_null(constraint['release'])){
    if (constraint['release'] != os_release) continue;
  }
  if (!empty_or_null(constraint['sp'])){
    if (constraint['sp'] != os_sp) continue;
  }
  foreach var pkg ( constraint['pkgs'] ) {
    reference = NULL;
    sp = NULL;
    _cpu = NULL;
    el_string = NULL;
    rpm_spec_vers_cmp = NULL;
    epoch = NULL;
    allowmaj = NULL;
    exists_check = NULL;
    cves = NULL;
    if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
    if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
    if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
    if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
    if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
    if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
    if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
    if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
    if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
    if (reference &&
        ## (no known rpm to check OR known rpm_exists)
        (!exists_check || rpm_exists(rpm:exists_check)) &&
        rpm_check(sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj, cves:cves)) flag++;
  }
}

if (flag)
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'linux-firmware');
}