EulerOS Virtualization 2.13.0 : mesa (EulerOS-SA-2026-2407)

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

include('compat.inc');

if (description)
{
  script_id(320730);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/06/12");

  script_cve_id("CVE-2026-40393");

  script_name(english:"EulerOS Virtualization 2.13.0 : mesa (EulerOS-SA-2026-2407)");

  script_set_attribute(attribute:"synopsis", value:
"The remote EulerOS Virtualization host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"According to the versions of the mesa packages installed, the EulerOS Virtualization installation on the remote host is
affected by the following vulnerabilities :

    In Mesa before 25.3.6 and 26 before 26.0.1, out-of-bounds memory access can occur in WebGPU because the
    amount of to-be-allocated data depends on an untrusted party, and is then used for alloca.(CVE-2026-40393)

Tenable has extracted the preceding description block directly from the EulerOS Virtualization mesa security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2026-2407
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?4a709798");
  script_set_attribute(attribute:"solution", value:
"Update the affected mesa packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-40393");

  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:"2026/04/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/06/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/06/12");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:mesa-dri-drivers");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:mesa-filesystem");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:mesa-libEGL");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:mesa-libEGL-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:mesa-libGL");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:mesa-libgbm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:mesa-libgbm-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:mesa-libglapi");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:mesa-libxatracker");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:huawei:euleros:uvp:2.13.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

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

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

  exit(0);
}

include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);

var _release = get_kb_item("Host/EulerOS/release");
if (isnull(_release) || _release !~ "^EulerOS") audit(AUDIT_OS_NOT, "EulerOS");
var uvp = get_kb_item("Host/EulerOS/uvp_version");
if (uvp != "2.13.0") audit(AUDIT_OS_NOT, "EulerOS Virtualization 2.13.0");
if (!get_kb_item("Host/EulerOS/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$" && "aarch64" >!< cpu && "x86" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "EulerOS", cpu);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "x86" >!< cpu) audit(AUDIT_ARCH_NOT, "i686 / x86_64", cpu);

var flag = 0;

var pkgs = [
  "mesa-dri-drivers-21.3.1-5.h2.eulerosv2r13",
  "mesa-filesystem-21.3.1-5.h2.eulerosv2r13",
  "mesa-libEGL-21.3.1-5.h2.eulerosv2r13",
  "mesa-libEGL-devel-21.3.1-5.h2.eulerosv2r13",
  "mesa-libGL-21.3.1-5.h2.eulerosv2r13",
  "mesa-libgbm-21.3.1-5.h2.eulerosv2r13",
  "mesa-libgbm-devel-21.3.1-5.h2.eulerosv2r13",
  "mesa-libglapi-21.3.1-5.h2.eulerosv2r13",
  "mesa-libxatracker-21.3.1-5.h2.eulerosv2r13"
];

foreach (var pkg in pkgs)
  if (rpm_check(release:"EulerOS-2.0", reference:pkg)) 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, "mesa");
}