PT-2025-37908 · Linux+2 · Linux Kernel+2

Published

2023-09-10

·

Updated

2025-11-19

·

CVE-2023-53303

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 memory leak exists in the vcap dup rule() function when the CONFIG VCAP KUNIT TEST configuration option is selected. Specifically, if kzalloc() for duprule succeeds but the subsequent kmemdup() fails, memory allocated for duprule, ckf, and caf is not freed, resulting in a memory leak. This issue occurs during unit testing.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Leak

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

BDU:2026-03890
CVE-2023-53303
SUSE-SU-2025:03600-1
SUSE-SU-2025:03634-1
SUSE-SU-2025:20851-1
SUSE-SU-2025:20861-1
SUSE-SU-2025:20870-1
SUSE-SU-2025:20898-1
SUSE-SU-2025:3751-1
SUSE-SU-2025:4057-1
SUSE-SU-2025:4132-1
SUSE-SU-2025:4141-1

Affected Products

Astra Linux
Linux Kernel
Suse