CVE-2023-54042
High
Description
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux
PublishedDec 24, 2025
First seenDec 24, 2025
How to fix
Update
- Linux Linuxf7d92313002b2d543500cc417d8079aaed1fb0a8, 4e82f92c349ea603736ade1e814861c0182a55ad, db8657fdd53c5e3069149d7f957cb60e63027bb2, 421cd1544480f2458042fe7f4913a2069c4d7251, b4bda59b47879cce38a6ec5a01cd3cac702b5331 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 ≤ v < f7d92313002b2d543500cc417d8079aaed1fb0a8, 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 ≤ v < 4e82f92c349ea603736ade1e814861c0182a55ad, 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 ≤ v < db8657fdd53c5e3069149d7f957cb60e63027bb2, 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 ≤ v < 421cd1544480f2458042fe7f4913a2069c4d7251, 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 ≤ v < b4bda59b47879cce38a6ec5a01cd3cac702b5331, 5.14 | f7d92313002b2d543500cc417d8079aaed1fb0a8, 4e82f92c349ea603736ade1e814861c0182a55ad, db8657fdd53c5e3069149d7f957cb60e63027bb2, 421cd1544480f2458042fe7f4913a2069c4d7251, b4bda59b47879cce38a6ec5a01cd3cac702b5331 |
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