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CVE-2022-49362
NFSD: Fix potential use-after-free in nfsd_file_put()
Critical9.8EPSS 0.65%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix potential use-after-free in nfsd_file_put() nfsd_file_put_noref() can free @nf, so don't dereference @nf immediately upon return from nfsd_file_put_noref().
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CISA-ADPADP (enrichment) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.65% · top 49% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
- affected 9862064ca81f9b9da8ebe26c86cf2b10c293ba1a – < ada1757b259f353cade47037ee0a0249b4cddad3
- affected a98e5b3d958ac697aafb3d077eb2cca4a731b7ee – < 261eabe19cb28e4a8587a4442d257b543d7c2d57
- affected 999397926ab3f78c7d1235cc4ca6e3c89d2769bf – < 333dcc94ebf53f79f3dc0e7a7c16700bc7ff7e57
- affected 999397926ab3f78c7d1235cc4ca6e3c89d2769bf – < b6c71c66b0ad8f2b59d9bc08c7a5079b110bec01
- affected 5.18
- unaffected < 5.18
- unaffected 5.18.4 – ≤ 5.18.*
- unaffected 5.19 – ≤ *
References (4)
- https://git.kernel.org/stable/c/ada1757b259f353cade47037ee0a0249b4cddad3 (opens in a new tab)
- https://git.kernel.org/stable/c/261eabe19cb28e4a8587a4442d257b543d7c2d57 (opens in a new tab)
- https://git.kernel.org/stable/c/333dcc94ebf53f79f3dc0e7a7c16700bc7ff7e57 (opens in a new tab)
- https://git.kernel.org/stable/c/b6c71c66b0ad8f2b59d9bc08c7a5079b110bec01 (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)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-49362)Record last updated .