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CVE-2022-49639cipso: Fix data-races around sysctl.
- 4.7MediumCVSS base score
- 0.18%Exploitation in 30 daysEPSS · top 93% 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: cipso: Fix data-races around sysctl. While reading cipso sysctl variables, they can be changed concurrently. So, we need to add READ_ONCE() to avoid data-races.
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 93% 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 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 – < 2764f82bbc158d106693ae3ced3675cf4b963b35
- affected 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 – < c321e99d2725d11f7e6a4ebd9ce752259f0bae81
- affected 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 – < ca26ca5e2f3eeb3e6fe699cd6effa3b4b2aa8698
- affected 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 – < 0e41a0f73ccb9be112a80bde3804a771633caaef
- affected 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 – < fe2a35fa2c4f9c8ce5ef970eb927031387f9446a
- affected 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 – < 07b0caf8aeb9b82e6ecc6c292a3e47c7fcdb1148
- affected 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 – < 59e26906b89cc35bb54476498772b45cbc32323f
- affected 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 – < dd44f04b9214adb68ef5684ae87a81ba03632250
- affected 2.6.19
- unaffected < 2.6.19
- unaffected 4.9.324 – ≤ 4.9.*
- unaffected 4.14.289 – ≤ 4.14.*
- unaffected 4.19.253 – ≤ 4.19.*
- unaffected 5.4.207 – ≤ 5.4.*
- unaffected 5.10.132 – ≤ 5.10.*
- unaffected 5.15.56 – ≤ 5.15.*
- unaffected 5.18.13 – ≤ 5.18.*
- unaffected 5.19 – ≤ *
References
References8
- https://git.kernel.org/stable/c/2764f82bbc158d106693ae3ced3675cf4b963b35 (opens in a new tab)
- https://git.kernel.org/stable/c/c321e99d2725d11f7e6a4ebd9ce752259f0bae81 (opens in a new tab)
- https://git.kernel.org/stable/c/ca26ca5e2f3eeb3e6fe699cd6effa3b4b2aa8698 (opens in a new tab)
- https://git.kernel.org/stable/c/0e41a0f73ccb9be112a80bde3804a771633caaef (opens in a new tab)
- https://git.kernel.org/stable/c/fe2a35fa2c4f9c8ce5ef970eb927031387f9446a (opens in a new tab)
- https://git.kernel.org/stable/c/07b0caf8aeb9b82e6ecc6c292a3e47c7fcdb1148 (opens in a new tab)
- https://git.kernel.org/stable/c/59e26906b89cc35bb54476498772b45cbc32323f (opens in a new tab)
- https://git.kernel.org/stable/c/dd44f04b9214adb68ef5684ae87a81ba03632250 (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-2022-54593 (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-2022-49639)Record last updated .