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CVE-2025-21945

ksmbd: fix use-after-free in smb2_lock

CVSS 7.8 HIGHEPSS 0.2%CWE-416
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smb2_lock If smb_lock->zero_len has value, ->llist of smb_lock is not delete and flock is old one. It will cause use-after-free on error handling routine.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Productos afectados
Linux · Linux

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Referencias
https://git.kernel.org/stable/c/410ce35a2ed6d0e114132bba29af49b69880c8c7https://git.kernel.org/stable/c/636e021646cf9b52ddfea7c809b018e91f2188cbhttps://git.kernel.org/stable/c/84d2d1641b71dec326e8736a749b7ee76a9599fchttps://git.kernel.org/stable/c/8573571060ca466cbef2c6f03306b2cc7b883506https://git.kernel.org/stable/c/a0609097fd10d618aed4864038393dd75131289ehttps://lists.debian.org/debian-lts-announce/2025/05/msg00045.html