Improper locking in Linux kernel - CVE-2024-26899
Published: June 3, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90780
CSH Severity: 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-2024-26899
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 DEFINE_MUTEX(), bd_link_disk_holder(), kfree() and bd_unlink_disk_holder() functions in block/holder.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/1e5c5b0abaee7b62a10b9707a62083b71ad21f62
- https://git.kernel.org/stable/c/5a87c1f7993bc8ac358a3766bac5dc7126e01e98
- https://git.kernel.org/stable/c/03f12122b20b6e6028e9ed69030a49f9cffcbb75
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.2