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Status published
Unknown
CVE-2023-53391
shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs As the ramfs-based tmpfs uses ramfs_init_fs_context() for the init_fs_context method, which allocates fc->s_fs_info, use ramfs_kill_sb() to free it and avoid a memory leak.
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/5fada375113767b3b57f1b04f7a4fe64ffaa626f
- https://git.kernel.org/stable/c/487f229efea80c00dd7397547ec4f25fb8999d99
- https://git.kernel.org/stable/c/1f34bf8b442c6d720e7fa6f15e8702427e48aea9
- https://git.kernel.org/stable/c/ebe07db840992a3886694ac3d303b06f4b70ce00
- https://git.kernel.org/stable/c/36ce9d76b0a93bae799e27e4f5ac35478c676592
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
c3b1b1cbf002e65a3cabd479e68b5f35886a26db, 2.6.30, 0, 5.10.188, 5.15.121, 6.1.39, 6.4.4, 6.5
Timeline
Official Publish:
September 18th, 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.