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CVE-2022-49571
tcp: Fix data-races around sysctl_tcp_max_reordering.
Medium4.7EPSS 0.19%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_max_reordering. While reading sysctl_tcp_max_reordering, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.19% · top 92% 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 4.7.
Weakness
Affected products
- affected dca145ffaa8d39ea1904491ac81b92b7049372c0 – < 5e38cee24f19d19280c68f1ac8bf6790d607f60a
- affected dca145ffaa8d39ea1904491ac81b92b7049372c0 – < 50a1d3d097503a90cf84ebe120afcde37e9c33b3
- affected dca145ffaa8d39ea1904491ac81b92b7049372c0 – < 064852663308c801861bd54789d81421fa4c2928
- affected dca145ffaa8d39ea1904491ac81b92b7049372c0 – < ce3731c61589ed73364a5b55ce34131762ef9b60
- affected dca145ffaa8d39ea1904491ac81b92b7049372c0 – < 46deb91ac8a790286ad6d24cf92e7ab0ab2582bb
- affected dca145ffaa8d39ea1904491ac81b92b7049372c0 – < a11e5b3e7a59fde1a90b0eaeaa82320495cf8cae
- affected 3.19
- unaffected < 3.19
- unaffected 4.19.254 – ≤ 4.19.*
- unaffected 5.4.208 – ≤ 5.4.*
- unaffected 5.10.134 – ≤ 5.10.*
- unaffected 5.15.58 – ≤ 5.15.*
- unaffected 5.18.15 – ≤ 5.18.*
- unaffected 5.19 – ≤ *
References (6)
- https://git.kernel.org/stable/c/5e38cee24f19d19280c68f1ac8bf6790d607f60a (opens in a new tab)
- https://git.kernel.org/stable/c/50a1d3d097503a90cf84ebe120afcde37e9c33b3 (opens in a new tab)
- https://git.kernel.org/stable/c/064852663308c801861bd54789d81421fa4c2928 (opens in a new tab)
- https://git.kernel.org/stable/c/ce3731c61589ed73364a5b55ce34131762ef9b60 (opens in a new tab)
- https://git.kernel.org/stable/c/46deb91ac8a790286ad6d24cf92e7ab0ab2582bb (opens in a new tab)
- https://git.kernel.org/stable/c/a11e5b3e7a59fde1a90b0eaeaa82320495cf8cae (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-2022-49571)Record last updated .