Back
CVE-2021-47166
NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()
Medium5.5EPSS 0.24%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce() The value of mirror->pg_bytes_written should only be updated after a successful attempt to flush out the requests on the list.
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)
- 0.24% · top 85% 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
Affected products
- affected a7d42ddb3099727f58366fa006f850a219cce6c8 – < e8b8418ce14ae66ee55179901edd12191ab06a9e
- affected a7d42ddb3099727f58366fa006f850a219cce6c8 – < b291baae24f876acd5a5dd57d0bb2bbac8a68b0c
- affected a7d42ddb3099727f58366fa006f850a219cce6c8 – < c757c1f1e65d89429db1409429436cf40d47c008
- affected a7d42ddb3099727f58366fa006f850a219cce6c8 – < 40f139a6d50c232c0d1fd1c5e65a845c62db0ede
- affected a7d42ddb3099727f58366fa006f850a219cce6c8 – < 785917316b25685c9b3a2a88f933139f2de75e33
- affected a7d42ddb3099727f58366fa006f850a219cce6c8 – < 7087db95c0a06ab201b8ebfac6a7ec1e34257997
- affected a7d42ddb3099727f58366fa006f850a219cce6c8 – < 2fe1cac336b55a1f79e603e9ce3552c3623e90eb
- affected a7d42ddb3099727f58366fa006f850a219cce6c8 – < 0d0ea309357dea0d85a82815f02157eb7fcda39f
- affected 4.0
- unaffected < 4.0
- unaffected 4.4.271 – ≤ 4.4.*
- unaffected 4.9.271 – ≤ 4.9.*
- unaffected 4.14.235 – ≤ 4.14.*
- unaffected 4.19.193 – ≤ 4.19.*
- unaffected 5.4.124 – ≤ 5.4.*
- unaffected 5.10.42 – ≤ 5.10.*
- unaffected 5.12.9 – ≤ 5.12.*
- unaffected 5.13 – ≤ *
References (8)
- https://git.kernel.org/stable/c/e8b8418ce14ae66ee55179901edd12191ab06a9e (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/b291baae24f876acd5a5dd57d0bb2bbac8a68b0c (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/c757c1f1e65d89429db1409429436cf40d47c008 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/40f139a6d50c232c0d1fd1c5e65a845c62db0ede (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/785917316b25685c9b3a2a88f933139f2de75e33 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/7087db95c0a06ab201b8ebfac6a7ec1e34257997 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/2fe1cac336b55a1f79e603e9ce3552c3623e90eb (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/0d0ea309357dea0d85a82815f02157eb7fcda39f (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)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-47166)Record last updated .