SB2024060380 - Improper locking in Linux kernel block
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024060380
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-2024-26899)
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.
References
- 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