PT-2025-52999 · Linux · Linux Kernel

CVE-2023-54042

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Published

2025-12-24

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Updated

2026-08-28

CVSS v3.1

7.8

High

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A flaw exists in the Linux kernel related to memory management on the powerpc/64s architecture. Specifically, the reference count on the mm structure is decreased before the coprocessor is detached, potentially leading to a use-after-free condition.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

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Related Identifiers

CVE-2023-54042
SUSE-SU-2026:0263-1
SUSE-SU-2026:0278-1
SUSE-SU-2026:0281-1
SUSE-SU-2026:0293-1
SUSE-SU-2026:0315-1
SUSE-SU-2026:0317-1
SUSE-SU-2026:0411-1
SUSE-SU-2026:0617-1
SUSE-SU-2026:20477-1
SUSE-SU-2026:20498-1
SUSE-SU-2026:20845-1
SUSE-SU-2026:20876-1

Affected Products

Linux Kernel