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CVE-2025-21955

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CVE-2025-21955

Published: Apr 1, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent connection release during oplock break notification ksmbd_work could be freed when after connection release. Increment r_count of ksmbd_conn to indicate that requests are not finished yet and to not release the connection.

VendorProductVersions

Linux

Linux

affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < 09aeab68033161cb54f194da93e51a11aee6144b
affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < a4261bbc33fbf99b99c80aa3a2c5097611802980
affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < f17d1c63a76b0fe8e9c78023a86507a3a6d62cfa
affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < 3aa660c059240e0c795217182cf7df32909dd917

Linux

Linux

affected
5.15
unaffected
0 - < 5.15
unaffected
6.6.84 - <= 6.6.*
unaffected
6.12.20 - <= 6.12.*
unaffected
6.13.8 - <= 6.13.*

+1 more versions

References

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