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CVE-2022-49585
tcp: Fix data-races around sysctl_tcp_fastopen_blackhole_timeout.
Medium4.7EPSS 0.18%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_fastopen_blackhole_timeout. While reading sysctl_tcp_fastopen_blackhole_timeout, 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)
- 0.18% · top 92% 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 4.7.
Weakness
Affected products
- affected cf1ef3f0719b4dcb74810ed507e2a2540f9811b4 – < 0dc2f19d8c2636cebda7976b5ea40c6d69f0d891
- affected cf1ef3f0719b4dcb74810ed507e2a2540f9811b4 – < a77a75a0e7f397550ab039f96115103e78dd5c69
- affected cf1ef3f0719b4dcb74810ed507e2a2540f9811b4 – < 8afa5604e295046c02b79ccf9e2bbbf8d969d60e
- affected cf1ef3f0719b4dcb74810ed507e2a2540f9811b4 – < 021266ec640c7a4527e6cd4b7349a512b351de1d
- affected 4.12
- unaffected < 4.12
- unaffected 5.10.134 – ≤ 5.10.*
- unaffected 5.15.58 – ≤ 5.15.*
- unaffected 5.18.15 – ≤ 5.18.*
- unaffected 5.19 – ≤ *
References (4)
- https://git.kernel.org/stable/c/0dc2f19d8c2636cebda7976b5ea40c6d69f0d891 (opens in a new tab)
- https://git.kernel.org/stable/c/a77a75a0e7f397550ab039f96115103e78dd5c69 (opens in a new tab)
- https://git.kernel.org/stable/c/8afa5604e295046c02b79ccf9e2bbbf8d969d60e (opens in a new tab)
- https://git.kernel.org/stable/c/021266ec640c7a4527e6cd4b7349a512b351de1d (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-2022-49585)Record last updated .