Improper error handling in Linux kernel btrfs

1) Improper error handling

EUVDB-ID: #VU95016

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-42103

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

CPE2.3

External links

http://git.kernel.org/stable/c/522b39bd7163e8dc49f8cf10b9b782218ac48746
http://git.kernel.org/stable/c/aa1d8cc0cc500e06b316cd6732d4e6c1388fe33c
http://git.kernel.org/stable/c/f8e960be923f74a273c62478c9cab9523936752b
http://git.kernel.org/stable/c/326fa14549d7969ef80d3f5beea5470cd1c8e67f
http://git.kernel.org/stable/c/48f091fd50b2eb33ae5eaea9ed3c4f81603acf38

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.