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Status published
Unknown
CVE-2025-21955
ksmbd: prevent connection release during oplock break notification
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
0626e6641f6b467447c81dd7678a69c66f7746cf, 5.15, 0, 6.6.84, 6.12.20, 6.13.8, 6.14
Timeline
Official Publish:
April 1st, 2025
Last Modified:
May 11th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.