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AlmaLinux 9.2 [TuxCare] Security Update: edk2-aarch64 / edk2-ovmf / edk2-tools / edk2-tools-doc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1793193455)

critical Nessus Plugin ID 373066

Synopsis

The AlmaLinux host is missing one or more security updates.

Description

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1793193455 advisory.

 - EDK2 contains a vulnerability in BIOS where an attacker may cause Improper Input Validation by local access. Successful exploitation of this vulnerability could alter control flow in unexpected ways, potentially allowing arbitrary command execution and impacting Confidentiality, Integrity, and Availability. (CVE-2025-2296)

 - EDK2 contains a vulnerability in BIOS where a user may cause Out-of-bounds Write, Classic Buffer Overflow, and Incorrect Calculation of Buffer Size by remote access. Successful exploitation of this vulnerability can lead to arbitrary code execution. It could also impact Confidentiality, Integrity, and Availability. (CVE-2026-97631)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages based on the guidance in TuxCare advisory ALMALINUX9.2:CLSA-2026:1793193455.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2026:1793193455

http://www.nessus.org/u?ece780cf

Plugin Details

Severity: Critical

ID: 373066

File Name: tuxcare_alma_linux_9.2_CLSA-2026-1793193455.nasl

Version: 1.1

Type: Local

Published: 10/28/2026

Updated: 10/28/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.33

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 7.3

Temporal Score: 5.4

Vector: CVSS2#AV:N/AC:L/Au:M/C:P/I:C/A:P

CVSS Score Source: CVE-2025-2296

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.1

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.5

Threat Score: 8.4

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CVSS Score Source: CVE-2026-97631

Vulnerability Information

Required KB Items: Host/OS/extended-third-party, Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 10/28/2026

Vulnerability Publication Date: 12/9/2025

Reference Information

CVE: CVE-2025-2296, CVE-2026-97631

CLSA: 2026:1793193455