Improper locking in Linux kernel - CVE-2024-47746
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99028
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-47746
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2024-47746
Install update from vendor's website.
Sources
- 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