fuse: use exclusive lock when FUSE_I_CACHE_IO_MODE is set
CVE-2024-47746

5.5MEDIUM

Key Information:

Vendor
Linux
Status
Linux
Vendor
CVE Published:
21 October 2024

Summary

In the Linux kernel, the following vulnerability has been resolved:

fuse: use exclusive lock when FUSE_I_CACHE_IO_MODE is set

This may be a typo. The comment has said shared locks are not allowed when this bit is set. If using shared lock, the wait in fuse_file_cached_io_open may be forever.

Affected Version(s)

Linux 205c1d8026835746d8597e1aa70c370e014e83fa

Linux 205c1d8026835746d8597e1aa70c370e014e83fa < 4e181761ffec67307157a7e8a78d58ee4130cf00

Linux 205c1d8026835746d8597e1aa70c370e014e83fa < 2f3d8ff457982f4055fe8f7bf19d3821ba22c376

References

https://git.kernel.org/stable/c/fa4890bd8237e5a1e7428acd7...
https://git.kernel.org/stable/c/4e181761ffec67307157a7e8a...
https://git.kernel.org/stable/c/2f3d8ff457982f4055fe8f7bf...

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

Collectors

NVD DatabaseMitre Database
.