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CVE-2023-52681
efivarfs: Free s_fs_info on unmount
Medium5.5EPSS 0.22%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: efivarfs: Free s_fs_info on unmount Now that we allocate a s_fs_info struct on fs context creation, we should ensure that we free it again when the superblock goes away.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 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)
- 0.22% · top 87% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
References (4)
- https://git.kernel.org/stable/c/92be3095c6ca1cdc46237839c6087555be9160e3 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/547713d502f7b4b8efccd409cff84d731a23853b (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/ea6b597fcaca99562fa56a473bcbbbd79b40af03 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/48be1364dd387e375e1274b76af986cb8747be2c (opens in a new tab)x_transferred
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-2023-52681)Record last updated .