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CVE-2025-21955

ksmbd: prevent connection release during oplock break notification PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 0626e6641f6b467447c81dd7678a69c66f7746cf before 09aeab68033161cb54f194da93e51a11aee6144b; affected 0626e6641f6b467447c81dd7678a69c66f7746cf before a4261bbc33fbf99b99c80aa3a2c5097611802980; affected 0626e6641f6b467447c81dd7678a69c66f7746cf before f17d1c63a76b0fe8e9c78023a86507a3a6d62cfa; affected 0626e6641f6b467447c81dd7678a69c66f7746cf before 3aa660c059240e0c795217182cf7df32909dd917
Linux / Linuxaffected 5.15; unaffected 0 before 5.15; unaffected 6.6.84 through 6.6.*; unaffected 6.12.20 through 6.12.*; unaffected 6.13.8 through 6.13.*; unaffected 6.14 through *

CWE

No CWE identifiers supplied.

References