Input validation error in Linux kernel f2fs

1) Input validation error

EUVDB-ID: #VU94999

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-2024-42160

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the f2fs_build_fault_attr() and parse_options() functions in fs/f2fs/super.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

External links

http://git.kernel.org/stable/c/bc84dd2c33e0c10fd90d60f0cfc0bfb504d4692d
http://git.kernel.org/stable/c/44958ca9e400f57bd0478115519ffc350fcee61e
http://git.kernel.org/stable/c/ecb641f424d6d1f055d149a15b892edcc92c504b
http://git.kernel.org/stable/c/4ed886b187f47447ad559619c48c086f432d2b77

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.