CVE-2025-38461
What it is
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
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 7.0 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-367
- Record status
- Modified
Affected
- Linux Kernel < 5.10.240
- Linux Kernel < 5.15.189
- Linux Kernel < 6.1.146
- Linux Kernel < 6.6.99
- Linux Kernel < 6.12.39
- Linux Kernel < 6.15.7
- Linux Kernel 6.16
- Debian Linux 11.0
Attack profile CVSS 3.1 · 7.0
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2025-38461.md and follow it. Check whether this project is affected by CVE-2025-38461. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.kernel.org/stable/c/36a439049b34cca0b3661276049b84a1f76cc21a
- https://git.kernel.org/stable/c/687aa0c5581b8d4aa87fd92973e4ee576b550cdf
- https://git.kernel.org/stable/c/7b73bddf54777fb62d4d8c7729d0affe6df04477
- https://git.kernel.org/stable/c/8667e8d0eb46bc54fdae30ba2f4786407d3d88eb
- https://git.kernel.org/stable/c/9ce53e744f18e73059d3124070e960f3aa9902bf
- https://git.kernel.org/stable/c/9d24bb6780282b0255b9929abe5e8f98007e2c6e
- https://git.kernel.org/stable/c/ae2c712ba39c7007de63cb0c75b51ce1caaf1da5
References
- https://git.kernel.org/stable/c/36a439049b34cca0b3661276049b84a1f76cc21a
- https://git.kernel.org/stable/c/687aa0c5581b8d4aa87fd92973e4ee576b550cdf
- https://git.kernel.org/stable/c/7b73bddf54777fb62d4d8c7729d0affe6df04477
- https://git.kernel.org/stable/c/8667e8d0eb46bc54fdae30ba2f4786407d3d88eb
- https://git.kernel.org/stable/c/9ce53e744f18e73059d3124070e960f3aa9902bf
- https://git.kernel.org/stable/c/9d24bb6780282b0255b9929abe5e8f98007e2c6e
- https://git.kernel.org/stable/c/ae2c712ba39c7007de63cb0c75b51ce1caaf1da5
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html