PT-2025-40676 · Linux+2 · Linux Kernel+2

Published 2023-01-27 · Updated 2026-02-09 · CVE-2023-53534

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’s drm/mediatek subsystem, specifically within the mtk drm crtc component. The devm kcalloc function may return NULL, and the code does not adequately check for this condition, potentially leading to a NULL pointer dereference.

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

Exploit

Unchecked Return Value

NULL Pointer Dereference

Weakness Enumeration

CWE-252

CWE-476

CWE-253

Related Identifiers

BDU:2026-04339

CVE-2023-53534

SUSE-SU-2025:4111-1

SUSE-SU-2025:4139-1

SUSE-SU-2025:4149-1

SUSE-SU-2025:4320-1

Affected Products

Linux Kernel

Suse

Mediatek

References · 454

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53534.json · Exploit
• https://ubuntu.com/security/CVE-2023-53534 · Vendor Advisory
• https://git.kernel.org/stable/c/7d569ae98ee5490585929be69fea68047679b7b2 · Patch
• https://bdu.fstec.ru/vul/2026-04339 · Security Note
• https://cve.org/CVERecord?id=CVE-2023-53534 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:4111-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53534 · Vendor Advisory
• https://git.kernel.org/stable/c/62952905e195f7350bc230cf0960a74ddbceed5d · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53534 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53534 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2023-53534 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-53534 · Vendor Advisory
• https://git.kernel.org/stable/c/b64b6dff15a38468b8cd33fc7864fa4e02b0933a · Patch
• https://git.kernel.org/stable/c/5bf1e3bd7da625ccf9a22c8cb7d65271e6e47f4c · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:4320-1 · Vendor Advisory