SB20241022140 - Improper locking in Linux kernel fuse
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022140
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2024-47746)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the fuse_dio_wr_exclusive_lock() function in fs/fuse/file.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/fa4890bd8237e5a1e7428acd7328729db2703b23
- https://git.kernel.org/stable/c/4e181761ffec67307157a7e8a78d58ee4130cf00
- https://git.kernel.org/stable/c/2f3d8ff457982f4055fe8f7bf19d3821ba22c376
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12