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CVE-2022-49597tcp: Fix data-races around sysctl_tcp_base_mss.
- 4.7MediumCVSS base score
- 0.18%Exploitation in 30 daysEPSS · top 92% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_base_mss. While reading sysctl_tcp_base_mss, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
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 |
|---|---|---|---|
| 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)
- 0.18% · top 92% of all CVEs (13 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 4.7.
Affected products
- affected 5d424d5a674f782d0659a3b66d951f412901faee – < 30b73edc1d2459ba2c71cb58fbf84a1a6e640fbf
- affected 5d424d5a674f782d0659a3b66d951f412901faee – < 514d2254c7b8aa2d257f5ffc79f0d96be2d6bfda
- affected 5d424d5a674f782d0659a3b66d951f412901faee – < 4d7dea651b7fe0322be95054f64e3711afccc543
- affected 5d424d5a674f782d0659a3b66d951f412901faee – < 9ca18116bc16ec31b9a3ce28ea1350badfa36128
- affected 5d424d5a674f782d0659a3b66d951f412901faee – < 88d78bc097cd8ebc6541e93316c9d9bf651b13e8
- affected 2.6.17
- unaffected < 2.6.17
- 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
References5
- https://git.kernel.org/stable/c/30b73edc1d2459ba2c71cb58fbf84a1a6e640fbf (opens in a new tab)
- https://git.kernel.org/stable/c/514d2254c7b8aa2d257f5ffc79f0d96be2d6bfda (opens in a new tab)
- https://git.kernel.org/stable/c/4d7dea651b7fe0322be95054f64e3711afccc543 (opens in a new tab)
- https://git.kernel.org/stable/c/9ca18116bc16ec31b9a3ce28ea1350badfa36128 (opens in a new tab)
- https://git.kernel.org/stable/c/88d78bc097cd8ebc6541e93316c9d9bf651b13e8 (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)
- EUVD EUVD-2022-54635 (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://cveledger.app/cve/CVE-2022-49597)Record last updated .