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CVE-2025-22074

ksmbd: fix r_count dec/increment mismatch

EPSS 0.2%
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

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References
https://git.kernel.org/stable/c/20378cf48359f39dee0ef9b61470ebe77bd49c0dhttps://git.kernel.org/stable/c/457db486203c90e10c3efc87fd45cc7000b1cd36https://git.kernel.org/stable/c/4790bcb269e5d6d88200a67c54ae6d627332a3behttps://git.kernel.org/stable/c/c2ec33d46b4d1c8085dab5d02e00b21f4f0fb8a9https://git.kernel.org/stable/c/ddb7ea36ba7129c2ed107e2186591128618864e1