ksmbd: fix use-after-free in ksmbd_sessions_deregister()
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.6%
exploitation probability
0.6%top 53% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/15a9605f8d69dc85005b1a00c31a050b8625e1aahttps://git.kernel.org/stable/c/33cc29e221df7a3085ae413e8c26c4e81a151153https://git.kernel.org/stable/c/8ed0e9d2f410f63525afb8351181eea36c80bcf1https://git.kernel.org/stable/c/a8a8ae303a8395cbac270b5b404d85df6ec788f8https://git.kernel.org/stable/c/ca042cc0e4f9e0d2c8f86dd67e4b22f30a516a9bhttps://git.kernel.org/stable/c/f0eb3f575138b816da74697bd506682574742fcdhttps://lists.debian.org/debian-lts-announce/2025/05/msg00045.html