PT-2025-40092 · Linux+6 · Linux Kernel+6

Published 2025-08-27 · Updated 2025-12-02 · CVE-2025-39918

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A flaw exists in the Linux kernel related to wifi and the mt76 driver. Specifically, the issue involves linked list corruption where scheduled wcid entries were being left on a temporary on-stack list. This could potentially lead to system instability or unexpected behavior.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALSA-2025:22395

ALSA-2025:22405

BDU:2025-14975

CVE-2025-39918

INFSA-2025_22405

OPENSUSE-SU-2025:20081-1

SUSE-SU-2025:21074-1

SUSE-SU-2025:21139-1

SUSE-SU-2025:21179-1

Affected Products

Almalinux

Astra Linux

Linux Kernel

Red Hat

Rocky Linux

Suse

Mt76

References · 1303

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39918.json · Exploit
• https://git.kernel.org/stable/c/c91a59b04f928cb4a1436b0e0a27650883d0388a · Patch
• https://osv.dev/vulnerability/openSUSE-SU-2025:20081-1 · Vendor Advisory
• https://errata.almalinux.org/10/ALSA-2025-22395.html · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-39918 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-14975 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2025-39918 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-39918 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:21139-1 · Vendor Advisory
• https://git.kernel.org/stable/c/49fba87205bec14a0f6bd997635bf3968408161e · Patch
• https://git.kernel.org/stable/c/e4d5a5fc61fdc65220a1ce078d24c1d20bbb0835 · Patch
• https://errata.almalinux.org/9/ALSA-2025-22405.html · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-39918 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-39918 · Security Note
• https://osv.dev/vulnerability/ALSA-2025:22395 · Vendor Advisory