Improper error handling in Linux kernel - CVE-2024-42103
Published: July 31, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU95016
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-2024-42103
CWE-ID: CWE-388
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 error handling within the btrfs_reclaim_bgs_work() function in fs/btrfs/block-group.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2024-42103
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/522b39bd7163e8dc49f8cf10b9b782218ac48746
- https://git.kernel.org/stable/c/aa1d8cc0cc500e06b316cd6732d4e6c1388fe33c
- https://git.kernel.org/stable/c/f8e960be923f74a273c62478c9cab9523936752b
- https://git.kernel.org/stable/c/326fa14549d7969ef80d3f5beea5470cd1c8e67f
- https://git.kernel.org/stable/c/48f091fd50b2eb33ae5eaea9ed3c4f81603acf38
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.163
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.98
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.39