CVE-2025-21967

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 ksmbd_free_work_struct ->interim_entry of ksmbd_work could be deleted after oplock is freed. We don't need to manage it with linked list. The interim request could be immediately sent whenever a oplock break wait is needed.

Vendor	Product	Versions
Linux	Linux	affected `0626e6641f6b467447c81dd7678a69c66f7746cf - < fb776765bfc21d5e4ed03bb3d4406c2b86ff1ac3` affected `0626e6641f6b467447c81dd7678a69c66f7746cf - < 62746ae3f5414244a96293e3b017be637b641280` affected `0626e6641f6b467447c81dd7678a69c66f7746cf - < eb51f6f59d19b92f6fe84d3873f958495ab32f0a` affected `0626e6641f6b467447c81dd7678a69c66f7746cf - < bb39ed47065455604729404729d9116868638d31`
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

https://git.kernel.org/stable/c/fb776765bfc21d5e4ed03bb3d4406c2b86ff1ac3

https://git.kernel.org/stable/c/62746ae3f5414244a96293e3b017be637b641280

https://git.kernel.org/stable/c/eb51f6f59d19b92f6fe84d3873f958495ab32f0a

https://git.kernel.org/stable/c/bb39ed47065455604729404729d9116868638d31

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CVE-2025-21967

Description

Affected Products

References