ksmbd: fix use-after-free in ksmbd_session_rpc_open
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.5%
exploitation probability
0.5%top 62% 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_session_rpc_open
A UAF issue can occur due to a race condition between
ksmbd_session_rpc_open() and __session_rpc_close().
Add rpc_lock to the session to protect it.
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/1067361a1cc6ad9cdf7acfc47f90012b72ad1502https://git.kernel.org/stable/c/6323fec65fe54b365961fed260dd579191e46121https://git.kernel.org/stable/c/8fb3b6c85b7e3127161623586b62abcc366caa20https://git.kernel.org/stable/c/a1f46c99d9ea411f9bf30025b912d881d36fc709https://git.kernel.org/stable/c/a4348710a7267705b75692dc1a000920481d1d92