CVE-2023-54042

CVE-2023-54042

High · published December 24, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
3.1
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

powerpc/64s: Fix VAS mm use after free

The refcount on mm is dropped before the coprocessor is detached.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00140 · 3.1th percentile
Published
2025-12-24T16:15Z
References (5)
https://git.kernel.org/stable/c/421cd1544480f2458042fe7f4913a2069c4d7251 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4e82f92c349ea603736ade1e814861c0182a55ad · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b4bda59b47879cce38a6ec5a01cd3cac702b5331 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/db8657fdd53c5e3069149d7f957cb60e63027bb2 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f7d92313002b2d543500cc417d8079aaed1fb0a8 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 24 DEC 10:56Z
    powerpc/64s: Fix VAS mm use after free
    cvelistv5