CVE-2025-22074
HIGH severity · CVSS 8.8
8.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/20378cf48359f39dee0ef9b61470ebe77bd49c0d ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/20378cf48359f39dee0ef9b61470ebe77bd49c0dPatch
- https://git.kernel.org/stable/c/457db486203c90e10c3efc87fd45cc7000b1cd36Patch
- https://git.kernel.org/stable/c/4790bcb269e5d6d88200a67c54ae6d627332a3bePatch
- https://git.kernel.org/stable/c/c2ec33d46b4d1c8085dab5d02e00b21f4f0fb8a9Patch
- https://git.kernel.org/stable/c/ddb7ea36ba7129c2ed107e2186591128618864e1Patch