Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in session logoff The sess->user object can currently be in use by another thread, for example if another connection has sent a session setup request to bind to the session being free'd. The handler for that connection could be in the smb2_sess_setup function which makes use of sess->user.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
0626e6641f6b467447c81dd7678a69c66f7746cf to < 931dc8a3670f71c45c0b1379ea4e92dafbda1acaaffected0626e6641f6b467447c81dd7678a69c66f7746cf to < 70ad6455139e26e85f48f95d0e21f351c1909342affected0626e6641f6b467447c81dd7678a69c66f7746cf to < d5ec1d79509b3ee01de02c236f096bc050221b7faffected0626e6641f6b467447c81dd7678a69c66f7746cf to < 02d16046cd11a5c037b28c12ffb818c56dd3ef43affected0626e6641f6b467447c81dd7678a69c66f7746cf to < 2fc9feff45d92a92cd5f96487655d5be23fb7e2baffected
Linux Linux
Default version status: affected
5.15affected0 to < 5.15unaffected6.1.159 to ≤ 6.1.*unaffected6.6.119 to ≤ 6.6.*unaffected6.12.28 to ≤ 6.12.*unaffected6.14.6 to ≤ 6.14.*unaffected6.15 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/931dc8a3670f71c45c0b1379ea4e92dafbda1aca ↗
- https://git.kernel.org/stable/c/70ad6455139e26e85f48f95d0e21f351c1909342 ↗
- https://git.kernel.org/stable/c/d5ec1d79509b3ee01de02c236f096bc050221b7f ↗
- https://git.kernel.org/stable/c/02d16046cd11a5c037b28c12ffb818c56dd3ef43 ↗
- https://git.kernel.org/stable/c/2fc9feff45d92a92cd5f96487655d5be23fb7e2b ↗
- https://sean.heelan.io/2025/05/22/how-i-used-o3-to-find-cve-2025-37899-a-remote-zeroday-vulnerability-in-the-linux-kernels-smb-implementation/ ↗
- https://news.ycombinator.com/item?id=44081338 ↗