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Description

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.

PUBLISHED Reserved 2024-12-29 | Published 2025-04-16 | Updated 2026-05-23 | Assigner Linux

Product status

Default status
unaffected

09aeab68033161cb54f194da93e51a11aee6144b (git) before 4790bcb269e5d6d88200a67c54ae6d627332a3be
affected

a4261bbc33fbf99b99c80aa3a2c5097611802980 (git) before 457db486203c90e10c3efc87fd45cc7000b1cd36
affected

f17d1c63a76b0fe8e9c78023a86507a3a6d62cfa (git) before 20378cf48359f39dee0ef9b61470ebe77bd49c0d
affected

3aa660c059240e0c795217182cf7df32909dd917 (git) before c2ec33d46b4d1c8085dab5d02e00b21f4f0fb8a9
affected

3aa660c059240e0c795217182cf7df32909dd917 (git) before ddb7ea36ba7129c2ed107e2186591128618864e1
affected

6.6.84 (semver) before 6.6.87
affected

6.12.20 (semver) before 6.12.23
affected

6.13.8 (semver) before 6.13.11
affected

Default status
affected

6.14
affected

Any version before 6.14
unaffected

6.6.87 (semver)
unaffected

6.12.23 (semver)
unaffected

6.13.11 (semver)
unaffected

6.14.2 (semver)
unaffected

6.15 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/4790bcb269e5d6d88200a67c54ae6d627332a3be

git.kernel.org/...c/457db486203c90e10c3efc87fd45cc7000b1cd36

git.kernel.org/...c/20378cf48359f39dee0ef9b61470ebe77bd49c0d

git.kernel.org/...c/c2ec33d46b4d1c8085dab5d02e00b21f4f0fb8a9

git.kernel.org/...c/ddb7ea36ba7129c2ed107e2186591128618864e1

cve.org (CVE-2025-22074)

nvd.nist.gov (CVE-2025-22074)

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