PT-2025-37680 · Linux+2 · Linux Kernel+2

Published 2023-01-24 · Updated 2025-10-23 · CVE-2023-53239

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 The Linux kernel contains a flaw in the drm/msm/mdp5 module where a missing check for the return value of kzalloc could lead to a NULL pointer dereference. kzalloc may fail and return a NULL pointer, and the absence of a check for this condition can cause issues.

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:2026-03956

CVE-2023-53239

SUSE-SU-2025:03615-1

SUSE-SU-2025:03628-1

SUSE-SU-2025:3716-1

SUSE-SU-2025:3761-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 868

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53239.json · Exploit
• https://osv.dev/vulnerability/BELL-CVE-2023-53239 · Vendor Advisory
• https://git.kernel.org/stable/c/82943a0730e00c14b03e25a4b2a1a9477ae89d7b · Patch
• https://cve.org/CVERecord?id=CVE-2023-53239 · Security Note
• https://git.kernel.org/stable/c/3975ea6eaffe26aec634b5c473e51dc76e73af62 · Patch
• https://git.kernel.org/stable/c/37ff771ed008b9cbffd0eab77985968364694ce3 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-53239 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-53239 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53239 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-53239 · Vendor Advisory
• https://git.kernel.org/stable/c/49907c8873826ee771ba0ca1629e809c6479f617 · Patch
• https://git.kernel.org/stable/c/bc579a2ee8b2e20c152b24b437d094832d8c9c9e · Patch
• https://bdu.fstec.ru/vul/2026-03956 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:3761-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53239 · Vendor Advisory