CVE-2025-38461vsock: Fix transport_* TOCTOU
- 7.0HighCVSS base score
- 0.15%Exploitation in 30 daysEPSS · top 96% 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: vsock: Fix transport_* TOCTOU Transport assignment may race with module unload. Protect new_transport from becoming a stale pointer. This also takes care of an insecure call in vsock_use_local_transport(); add a lockdep assert. BUG: unable to handle page fault for address: fffffbfff8056000 Oops: Oops: 0000 [#1] SMP KASAN RIP: 0010:vsock_assign_transport+0x366/0x600 Call Trace: vsock_connect+0x59c/0xc40 __sys_connect+0xe8/0x100 __x64_sys_connect+0x6e/0xc0 do_syscall_64+0x92/0x1c0 entry_SYSCALL_64_after_hwframe+0x4b/0x53
Timeline
ID reserved
By Linux
- 3 months later
· 3 months later
Published
- 13 months later
· 13 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 | High7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/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)
- 0.15% · top 96% of all CVEs (14 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 7.0.
Affected products
- affected c0cfa2d8a788fcf45df5bf4070ab2474c88d543a – < 8667e8d0eb46bc54fdae30ba2f4786407d3d88eb
- affected c0cfa2d8a788fcf45df5bf4070ab2474c88d543a – < 36a439049b34cca0b3661276049b84a1f76cc21a
- affected c0cfa2d8a788fcf45df5bf4070ab2474c88d543a – < 9ce53e744f18e73059d3124070e960f3aa9902bf
- affected c0cfa2d8a788fcf45df5bf4070ab2474c88d543a – < 9d24bb6780282b0255b9929abe5e8f98007e2c6e
- affected c0cfa2d8a788fcf45df5bf4070ab2474c88d543a – < ae2c712ba39c7007de63cb0c75b51ce1caaf1da5
- affected c0cfa2d8a788fcf45df5bf4070ab2474c88d543a – < 7b73bddf54777fb62d4d8c7729d0affe6df04477
- affected c0cfa2d8a788fcf45df5bf4070ab2474c88d543a – < 687aa0c5581b8d4aa87fd92973e4ee576b550cdf
- affected 5.5
- unaffected < 5.5
- unaffected 5.10.240 – ≤ 5.10.*
- unaffected 5.15.189 – ≤ 5.15.*
- unaffected 6.1.146 – ≤ 6.1.*
- unaffected 6.6.99 – ≤ 6.6.*
- unaffected 6.12.39 – ≤ 6.12.*
- unaffected 6.15.7 – ≤ 6.15.*
- unaffected 6.16 – ≤ *
References
References9
- https://git.kernel.org/stable/c/8667e8d0eb46bc54fdae30ba2f4786407d3d88eb (opens in a new tab)
- https://git.kernel.org/stable/c/36a439049b34cca0b3661276049b84a1f76cc21a (opens in a new tab)
- https://git.kernel.org/stable/c/9ce53e744f18e73059d3124070e960f3aa9902bf (opens in a new tab)
- https://git.kernel.org/stable/c/9d24bb6780282b0255b9929abe5e8f98007e2c6e (opens in a new tab)
- https://git.kernel.org/stable/c/ae2c712ba39c7007de63cb0c75b51ce1caaf1da5 (opens in a new tab)
- https://git.kernel.org/stable/c/7b73bddf54777fb62d4d8c7729d0affe6df04477 (opens in a new tab)
- https://git.kernel.org/stable/c/687aa0c5581b8d4aa87fd92973e4ee576b550cdf (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html (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-2025-22680 (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-2025-38461)Record last updated .