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CVE-2025-21945

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CVE-2025-21945

Published: Apr 1, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smb2_lock If smb_lock->zero_len has value, ->llist of smb_lock is not delete and flock is old one. It will cause use-after-free on error handling routine.

VendorProductVersions

Linux

Linux

affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < 410ce35a2ed6d0e114132bba29af49b69880c8c7
affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < 8573571060ca466cbef2c6f03306b2cc7b883506
affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < a0609097fd10d618aed4864038393dd75131289e
affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < 636e021646cf9b52ddfea7c809b018e91f2188cb
affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < 84d2d1641b71dec326e8736a749b7ee76a9599fc

Linux

Linux

affected
5.15
unaffected
0 - < 5.15
unaffected
6.1.131 - <= 6.1.*
unaffected
6.6.83 - <= 6.6.*
unaffected
6.12.19 - <= 6.12.*

+2 more versions

References

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