Denial of service in Linux kernel md driver

1) Improper Check for Unusual or Exceptional Conditions

EUVDB-ID: #VU87166

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-2023-52429

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

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 dm_table_create() function in drivers/md/dm-table.c. A local user can pass specially crafted data to the kernel and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Linux kernel: All versions

External links

http://www.spinics.net/lists/dm-devel/msg56625.html
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bd504bcfec41a503b32054da5472904b404341a4

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.