PT-2025-37685 · Tw68+5 · Tw68+5

CVE-2023-53244

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Published

2023-01-01

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Updated

2026-08-23

CVSS v3.1

5.5

Medium

VectorAV: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 null pointer dereference bug exists in the media subsystem, specifically within the tw68 driver during buffer preparation and finalization. A failure in dma alloc coherent can result in an empty buffer, leading to a null pointer dereference when attempting to free or access the buffer. The issue can potentially be triggered from user space.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

NULL Pointer Dereference

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Weakness Enumeration

Related Identifiers

CVE-2023-53244
SUSE-SU-2025:03615-1
SUSE-SU-2025:03628-1
SUSE-SU-2025:3716-1
SUSE-SU-2025:3761-1

Affected Products

Astra Linux
Debian
Linux Kernel
Red Os
Suse
Tw68