CVE-2023-54042

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.

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-25)

Published

2025-12-24

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

References

• https://git.kernel.org/stable/c/421cd1544480f2458042fe7f4913a2069c4d7251
• https://git.kernel.org/stable/c/4e82f92c349ea603736ade1e814861c0182a55ad
• https://git.kernel.org/stable/c/b4bda59b47879cce38a6ec5a01cd3cac702b5331
• https://git.kernel.org/stable/c/db8657fdd53c5e3069149d7f957cb60e63027bb2
• https://git.kernel.org/stable/c/f7d92313002b2d543500cc417d8079aaed1fb0a8

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