CVE-2025-22074

ksmbd: fix r_count dec/increment mismatch

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

16 Apr 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix r_count dec/increment mismatch r_count is only increased when there is an oplock break wait, so r_count inc/decrement are not paired. This can cause r_count to become negative, which can lead to a problem where the ksmbd thread does not terminate.

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/20378cf48359f39dee0ef9b61470ebe77bd49c0d https://git.kernel.org/stable/c/457db486203c90e10c3efc87fd45cc7000b1cd36 https://git.kernel.org/stable/c/4790bcb269e5d6d88200a67c54ae6d627332a3be https://git.kernel.org/stable/c/c2ec33d46b4d1c8085dab5d02e00b21f4f0fb8a9 https://git.kernel.org/stable/c/ddb7ea36ba7129c2ed107e2186591128618864e1