Description
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix use-after-free in ksmbd_sessions_deregister()
In multichannel mode, UAF issue can occur in session_deregister when the second channel sets up a session through the connection of the first channel. session that is freed through the global session table can be accessed again through ->sessions of connection.
Metrics
CVSS 3.1 8.8/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < f0eb3f575138b816da74697bd506682574742fcd; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < a8a8ae303a8395cbac270b5b404d85df6ec788f8; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < ca042cc0e4f9e0d2c8f86dd67e4b22f30a516a9b; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 8ed0e9d2f410f63525afb8351181eea36c80bcf1; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 33cc29e221df7a3085ae413e8c26c4e81a151153; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 15a9605f8d69dc85005b1a00c31a050b8625e1aa |
| Linux | Linux | 5.15 |
References
- https://git.kernel.org/stable/c/15a9605f8d69dc85005b1a00c31a050b8625e1aaPatch
- https://git.kernel.org/stable/c/33cc29e221df7a3085ae413e8c26c4e81a151153Patch
- https://git.kernel.org/stable/c/8ed0e9d2f410f63525afb8351181eea36c80bcf1Patch
- https://git.kernel.org/stable/c/a8a8ae303a8395cbac270b5b404d85df6ec788f8Patch
- https://git.kernel.org/stable/c/ca042cc0e4f9e0d2c8f86dd67e4b22f30a516a9bPatch
- https://git.kernel.org/stable/c/f0eb3f575138b816da74697bd506682574742fcdPatch
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
Timeline
- Published
- Apr 16, 2025
- Last modified
- Jun 17, 2026
- NVD status
- Modified