PT-2025-53215 · Linux · Linux Kernel

Published 2023-04-06 · Updated 2026-01-28 · CVE-2023-54138

Positive Technologies (AI Summary)

CVSS v2.0

5.5

Medium

Base vector

AV:A/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/MSM subsystem where a null pointer dereference can occur during IRQ uninstallation. This happens when early initialization errors occur on platforms that do not utilize the DPU controller, leading to the deinitialization code being called with a null kms pointer.

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

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2026-04181

CVE-2023-54138

SUSE-SU-2026:0263-1

SUSE-SU-2026:0317-1

Affected Products

Linux Kernel

References · 856

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54138.json · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-54138 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-54138 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-54138 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-54138 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0317-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-54138 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-54138 · Security Note
• https://bdu.fstec.ru/vul/2026-04181 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-54138 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0263-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-54138 · Vendor Advisory
• https://bugzilla.suse.com/1255996 · Note
• https://suse.com/security/cve/CVE-2023-54118 · Note
• https://bugzilla.suse.com/1255007 · Note