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CVE-2023-53391
shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs
Medium5.5EPSS 0.15%
- Published
- Updated
- Reserved
- Assigned by
- Linux
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.15% · top 96% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
- CWE-noinfo Not enough information
Affected products
- affected c3b1b1cbf002e65a3cabd479e68b5f35886a26db – < 5fada375113767b3b57f1b04f7a4fe64ffaa626f
- affected c3b1b1cbf002e65a3cabd479e68b5f35886a26db – < 487f229efea80c00dd7397547ec4f25fb8999d99
- affected c3b1b1cbf002e65a3cabd479e68b5f35886a26db – < 1f34bf8b442c6d720e7fa6f15e8702427e48aea9
- affected c3b1b1cbf002e65a3cabd479e68b5f35886a26db – < ebe07db840992a3886694ac3d303b06f4b70ce00
- affected c3b1b1cbf002e65a3cabd479e68b5f35886a26db – < 36ce9d76b0a93bae799e27e4f5ac35478c676592
- affected 2.6.30
- unaffected < 2.6.30
- unaffected 5.10.188 – ≤ 5.10.*
- unaffected 5.15.121 – ≤ 5.15.*
- unaffected 6.1.39 – ≤ 6.1.*
- unaffected 6.4.4 – ≤ 6.4.*
- unaffected 6.5 – ≤ *
References (5)
- https://git.kernel.org/stable/c/5fada375113767b3b57f1b04f7a4fe64ffaa626f (opens in a new tab)
- https://git.kernel.org/stable/c/487f229efea80c00dd7397547ec4f25fb8999d99 (opens in a new tab)
- https://git.kernel.org/stable/c/1f34bf8b442c6d720e7fa6f15e8702427e48aea9 (opens in a new tab)
- https://git.kernel.org/stable/c/ebe07db840992a3886694ac3d303b06f4b70ce00 (opens in a new tab)
- https://git.kernel.org/stable/c/36ce9d76b0a93bae799e27e4f5ac35478c676592 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2023-53391)Record last updated .