ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.8epss 0.4%
exploitation probability
0.4%top 67% 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_tree_connect_put under concurrency
Under high concurrency, A tree-connection object (tcon) is freed on
a disconnect path while another path still holds a reference and later
executes *_put()/write on it.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/063cbbc6f595ea36ad146e1b7d2af820894beb21https://git.kernel.org/stable/c/21a3d01fc6db5129f81edb0ab7cb94fd758bcbeahttps://git.kernel.org/stable/c/446beed646b2e426dd53d27358365f8678e1dd01https://git.kernel.org/stable/c/b39a1833cc4a2755b02603eec3a71a85e9dff926https://git.kernel.org/stable/c/d092de8a26c952379ded8e6b0bda31d89befac1ahttps://git.kernel.org/stable/c/d64977495e44855f2b28d8ce56107c963a7a50e4