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CVE-2022-49097
NFS: Avoid writeback threads getting stuck in mempool_alloc()
Medium5.5EPSS 0.25%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: NFS: Avoid writeback threads getting stuck in mempool_alloc() In a low memory situation, allow the NFS writeback code to fail without getting stuck in infinite loops in mempool_alloc().
Timeline
ID reserved
By Linux
Published
- 15 months later
· 15 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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)
- 0.25% · top 83% of all CVEs (7 Nov 2026)
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
Affected products
- affected 2b17d725f9be59a1bfa0583af690c463fca1f385 – < c74e2f6ecc51bd08bb5b0335477dba954a50592e
- affected 2b17d725f9be59a1bfa0583af690c463fca1f385 – < ea029e4ce760f786919d06ef52efa2e50ea92a5f
- affected 2b17d725f9be59a1bfa0583af690c463fca1f385 – < 1b3fa9a3c420c31e77b406ddc28f3a627100516c
- affected 2b17d725f9be59a1bfa0583af690c463fca1f385 – < a6caeddd68977a1aaaf62fbd1955b41dd5c3c5d3
- affected 2b17d725f9be59a1bfa0583af690c463fca1f385 – < 0bae835b63c53f86cdc524f5962e39409585b22c
- affected 5.3
- unaffected < 5.3
- unaffected 5.10.111 – ≤ 5.10.*
- unaffected 5.15.34 – ≤ 5.15.*
- unaffected 5.16.20 – ≤ 5.16.*
- unaffected 5.17.3 – ≤ 5.17.*
- unaffected 5.18 – ≤ *
References (5)
- https://git.kernel.org/stable/c/c74e2f6ecc51bd08bb5b0335477dba954a50592e (opens in a new tab)
- https://git.kernel.org/stable/c/ea029e4ce760f786919d06ef52efa2e50ea92a5f (opens in a new tab)
- https://git.kernel.org/stable/c/1b3fa9a3c420c31e77b406ddc28f3a627100516c (opens in a new tab)
- https://git.kernel.org/stable/c/a6caeddd68977a1aaaf62fbd1955b41dd5c3c5d3 (opens in a new tab)
- https://git.kernel.org/stable/c/0bae835b63c53f86cdc524f5962e39409585b22c (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-2022-49097)Record last updated .