CVE-2025-21967

High

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbd_free_work_struct ->interim_entry of ksmbd_work could be deleted after oplock is freed. We don't need to manage it with linked list. The interim request could be immediately sent whenever a oplock break wait is needed.

SeverityHigh
CVSS8.8
Exploit probability33. percentile0.4%
ProductLinux Kernel
PublishedApr 1, 2025
First seenApr 1, 2025

How to fix

Update
  • linux linux_kernel6.6.84, 6.12.20, 6.13.8 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel5.15 ≤ v < 6.6.84, 6.7 ≤ v < 6.12.20, 6.13 ≤ v < 6.13.8, 6.146.6.84, 6.12.20, 6.13.8

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