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CVE-2022-49595tcp: Fix a data-race around sysctl_tcp_probe_threshold.
- 4.7MediumCVSS base score
- 0.19%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 a data-race around sysctl_tcp_probe_threshold. While reading sysctl_tcp_probe_threshold, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
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)
- 0.19% · top 92% of all CVEs (12 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 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 – < 9b5dc7ad6da1373d3c60d4b869d688f996e5d219
- affected 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 – < 44768749980d53bc01980d9c060f736808d11af0
- affected 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 – < 96900fa61777402eb5056269d8000aace33a8b6c
- affected 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 – < b04817c94fbd285a967d9b830b274fe9998c9c0b
- affected 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 – < d452ce36f2d4c402fa3f5275c9677f80166e7fc6
- affected 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 – < f524c3e7f6cdad66b3b6a912cef47b656f8b0de3
- affected 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 – < fa5fb2cf9393db898772db8cb897ed5fd265eb78
- affected 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 – < 92c0aa4175474483d6cf373314343d4e624e882a
- affected 4.1
- unaffected < 4.1
- unaffected 4.9.325 – ≤ 4.9.*
- unaffected 4.14.290 – ≤ 4.14.*
- 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
References8
- https://git.kernel.org/stable/c/9b5dc7ad6da1373d3c60d4b869d688f996e5d219 (opens in a new tab)
- https://git.kernel.org/stable/c/44768749980d53bc01980d9c060f736808d11af0 (opens in a new tab)
- https://git.kernel.org/stable/c/96900fa61777402eb5056269d8000aace33a8b6c (opens in a new tab)
- https://git.kernel.org/stable/c/b04817c94fbd285a967d9b830b274fe9998c9c0b (opens in a new tab)
- https://git.kernel.org/stable/c/d452ce36f2d4c402fa3f5275c9677f80166e7fc6 (opens in a new tab)
- https://git.kernel.org/stable/c/f524c3e7f6cdad66b3b6a912cef47b656f8b0de3 (opens in a new tab)
- https://git.kernel.org/stable/c/fa5fb2cf9393db898772db8cb897ed5fd265eb78 (opens in a new tab)
- https://git.kernel.org/stable/c/92c0aa4175474483d6cf373314343d4e624e882a (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-2022-54637 (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-2022-49595)Record last updated .