#VU96147 Improper locking in Linux kernel - CVE-2024-43855
Published: August 19, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU96147
Vulnerability risk: Low
CVSSv4.0: 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-2024-43855
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the md_end_flush(), submit_flushes() and md_submit_flush_data() functions in drivers/md/md.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/32226070813140234b6c507084738e8e8385c5c6
- https://git.kernel.org/stable/c/2d0738a8322bf4e5bfe693d16b3111928a9ccfbf
- https://git.kernel.org/stable/c/ca963eefbc3331222b6121baa696d49ba2008811
- https://git.kernel.org/stable/c/611d5cbc0b35a752e657a83eebadf40d814d006b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.103
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.44