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High 7.8Published Dec 24, 2025

CVE-2023-54042powerpc/64s: Fix VAS mm use after free

Updated under an hour ago ()

Does this affect you?

It affects Linux. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
Not given
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Linux
NVD analysis
Deferred
Record last updated
Oct 15, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Linux Linux
linux:linux (from the name)
from 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 before f7d92313002b2d543500cc417d8079aaed1fb0a8; 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 builds before 4e82f92c349ea603736ade1e814861c0182a55ad; from 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 before db8657fdd53c5e3069149d7f957cb60e63027bb2; from 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 before 421cd1544480f2458042fe7f4913a2069c4d7251; from 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 before b4bda59b47879cce38a6ec5a01cd3cac702b5331
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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