ksmbd: fix potential use-after-free in oplock/lease break ack
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.4%
exploitation probability
0.4%top 71% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix potential use-after-free in oplock/lease break ack
If ksmbd_iov_pin_rsp return error, use-after-free can happen by
accessing opinfo->state and opinfo_put and ksmbd_fd_put could
called twice.
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/50f930db22365738d9387c974416f38a06e8057ehttps://git.kernel.org/stable/c/8106adc21a2270c16abf69cd74ccd7c79c6e7acdhttps://git.kernel.org/stable/c/815f1161d6dbc4c54ccf94b7d3fdeab34b4d7477https://git.kernel.org/stable/c/97c355989928a5f60b228ef5266c1be67a46cdf9https://git.kernel.org/stable/c/e38ec88a2b42c494601b1213816d75f0b54d9bf0https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html