PT-2025-51620 · Linux+3 · Linux Kernel+3

Published 2025-11-03 · Updated 2026-02-24 · CVE-2025-68207

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

AV:L/AC:L/Au:S/C:N/I:N/A:C

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

Description A flaw exists in the Linux kernel’s DRM/XE/GUC subsystem where a Dead CT worker may not be properly synchronized during device unbinding. This can lead to the worker attempting to use resources that have already been freed, potentially causing instability or errors. The issue is addressed by ensuring any Dead CT worker completes before device unbinding proceeds.

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

Exploit

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

BDU:2026-03154

CVE-2025-68207

OPENSUSE-SU-2026:20145-1

SUSE-SU-2026:0278-1

SUSE-SU-2026:0281-1

SUSE-SU-2026:0315-1

SUSE-SU-2026:20207-1

SUSE-SU-2026:20220-1

SUSE-SU-2026:20228-1

USN-8029-1

USN-8029-2

USN-8029-3

USN-8030-1

USN-8048-1

Affected Products

Debian

Linuxmint

Linux Kernel

Ubuntu

References · 1350

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68207.json · Exploit
• https://ubuntu.com/security/CVE-2025-40217 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40166 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40063 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40035 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40049 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40185 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68246 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68200 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40045 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40229 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40053 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40193 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40244 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40224 · Vendor Advisory