CVE-2022-49822
Description
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix connections leak when tlink setup failed If the tlink setup failed, lost to put the connections, then the module refcnt leak since the cifsd kthread not exit. Also leak the fscache info, and for next mount with fsc, it will print the follow errors: CIFS: Cache volume key already in use (cifs,127.0.0.1:445,TEST) Let's check the result of tlink setup, and do some cleanup.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Linux kernel Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 6.1 | Affected | — |
| — | Affected | 5.15.81 |
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 6.0.10-1 |
| sid | Fixed | 6.0.10-1 |
| forky | Fixed | 6.0.10-1 |
| bullseye | Affected | — |
| bookworm | Fixed | 6.0.10-1 |
References
- https://www.suse.com/security/cve/CVE-2022-49822.html
- https://security-tracker.debian.org/tracker/CVE-2022-49822
- https://git.kernel.org/stable/c/0a087842d10b5daa123ee5291e386cdd78413705
- https://git.kernel.org/stable/c/1dcdf5f5b2137185cbdd5385f29949ab3da4f00c
- https://git.kernel.org/stable/c/775d6625f96b26b90b9be9164b855ea2c471c0e5
- https://git.kernel.org/stable/c/a9059e338fc000c0b87d8cf29e93c74fd703212e
CWEs
CWE-401
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.