- 7.8HighCVSS base score
- 0.20%Exploitation in 30 daysEPSS · top 90% 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: sctp: Prevent TOCTOU out-of-bounds write For the following path not holding the sock lock, sctp_diag_dump() -> sctp_for_each_endpoint() -> sctp_ep_dump() make sure not to exceed bounds in case the address list has grown between buffer allocation (time-of-check) and write (time-of-use).
Timeline
ID reserved
By Linux
- 8 months later
· 8 months later
Published
- 8 months later
· 8 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 |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Deferred | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.20% · top 90% of all CVEs (9 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected 8f840e47f190cbe61a96945c13e9551048d42cef – < b106a68df0650b694b254427cd9250c04500edd3
- affected 8f840e47f190cbe61a96945c13e9551048d42cef – < 3006959371007fc2eae4a078f823c680fa52de1a
- affected 8f840e47f190cbe61a96945c13e9551048d42cef – < 72e3fea68eac8d088e44c3dd954e843478e9240e
- affected 8f840e47f190cbe61a96945c13e9551048d42cef – < 584307275b2048991b2e8984962189b6cc0a9b85
- affected 8f840e47f190cbe61a96945c13e9551048d42cef – < c9119f243d9c0da3c3b5f577a328de3e7ffd1b42
- affected 8f840e47f190cbe61a96945c13e9551048d42cef – < 2fe08fcaacb7eb019fa9c81db39b2214de216677
- affected 8f840e47f190cbe61a96945c13e9551048d42cef – < 89eac1e150dbd42963e13d23828cb8c4e0763196
- affected 8f840e47f190cbe61a96945c13e9551048d42cef – < 95aef86ab231f047bb8085c70666059b58f53c09
- affected 4.7
- unaffected < 4.7
- unaffected 5.4.302 – ≤ 5.4.*
- unaffected 5.10.247 – ≤ 5.10.*
- unaffected 5.15.197 – ≤ 5.15.*
- unaffected 6.1.159 – ≤ 6.1.*
- unaffected 6.6.117 – ≤ 6.6.*
- unaffected 6.12.58 – ≤ 6.12.*
- unaffected 6.17.8 – ≤ 6.17.*
- unaffected 6.18 – ≤ *
References
8
- https://git.kernel.org/stable/c/b106a68df0650b694b254427cd9250c04500edd3 (opens in a new tab)
- https://git.kernel.org/stable/c/3006959371007fc2eae4a078f823c680fa52de1a (opens in a new tab)
- https://git.kernel.org/stable/c/72e3fea68eac8d088e44c3dd954e843478e9240e (opens in a new tab)
- https://git.kernel.org/stable/c/584307275b2048991b2e8984962189b6cc0a9b85 (opens in a new tab)
- https://git.kernel.org/stable/c/c9119f243d9c0da3c3b5f577a328de3e7ffd1b42 (opens in a new tab)
- https://git.kernel.org/stable/c/2fe08fcaacb7eb019fa9c81db39b2214de216677 (opens in a new tab)
- https://git.kernel.org/stable/c/89eac1e150dbd42963e13d23828cb8c4e0763196 (opens in a new tab)
- https://git.kernel.org/stable/c/95aef86ab231f047bb8085c70666059b58f53c09 (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-2025-201871 (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-2025-40331)Record last updated .