CVE-2025-22074

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux09aeab68033161cb54f194da93e51a11aee6144b < 4790bcb269e5d6d88200a67c54ae6d627332a3beaffected
LinuxLinuxa4261bbc33fbf99b99c80aa3a2c5097611802980 < 457db486203c90e10c3efc87fd45cc7000b1cd36affected
LinuxLinuxf17d1c63a76b0fe8e9c78023a86507a3a6d62cfa < 20378cf48359f39dee0ef9b61470ebe77bd49c0daffected
LinuxLinux3aa660c059240e0c795217182cf7df32909dd917 < c2ec33d46b4d1c8085dab5d02e00b21f4f0fb8a9affected
LinuxLinux3aa660c059240e0c795217182cf7df32909dd917 < ddb7ea36ba7129c2ed107e2186591128618864e1affected
LinuxLinux6.6.84 < 6.6.87affected
LinuxLinux6.12.20 < 6.12.23affected
LinuxLinux6.13.8 < 6.13.11affected
LinuxLinux6.14affected
LinuxLinux0 < 6.14unaffected
LinuxLinux6.6.87 <= 6.6.*unaffected
LinuxLinux6.12.23 <= 6.12.*unaffected
LinuxLinux6.13.11 <= 6.13.*unaffected
LinuxLinux6.14.2 <= 6.14.*unaffected
LinuxLinux6.15 <= *unaffected

Weaknesses

References