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Status published
Unknown
CVE-2025-40055
ocfs2: fix double free in user_cluster_connect()
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix double free in user_cluster_connect() user_cluster_disconnect() frees "conn->cc_private" which is "lc" but then the error handling frees "lc" a second time. Set "lc" to NULL on this path to avoid a double free.
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.
References
- https://git.kernel.org/stable/c/283333079d96c84baa91f0c62b5e0cbec246b7a2
- https://git.kernel.org/stable/c/f992bc72f681c32a682d474a29c2135a64d4f4e5
- https://git.kernel.org/stable/c/827c8efa0d1afe817b90f3618afff552e88348d2
- https://git.kernel.org/stable/c/bfe011297ddd2d0cd64752978baaa0c04cd20573
- https://git.kernel.org/stable/c/7e76fe9dfadbc00364d7523d5a109e9d3e4a7db2
- https://git.kernel.org/stable/c/694d5b401036a614f8080085a9de6f86ff0742dc
- https://git.kernel.org/stable/c/892f41e12c8689130d552a9eb2b77bafd26484ab
- https://git.kernel.org/stable/c/8f45f089337d924db24397f55697cda0e6960516
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
c994c2ebdbbc391a42f177c8eb7882ebf3f142d8, 3.14, 0, 5.4.301, 5.10.246, 5.15.195, 6.1.156, 6.6.112, 6.12.53, 6.17.3, 6.18
Timeline
Official Publish:
October 28th, 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.