Improper check for unusual or exceptional conditions in Linux kernel mtd ubi driver

1) Improper check for unusual or exceptional conditions

EUVDB-ID: #VU92399

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-2024-25739

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 check for unusual or exceptional conditions error within the ubi_read_volume_table() function in drivers/mtd/ubi/vtbl.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: 6.7 - 6.7.4

External links

http://www.spinics.net/lists/kernel/msg5074816.html
http://groups.google.com/g/syzkaller/c/Xl97YcQA4hg
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=68a24aba7c593eafa8fd00f2f76407b9b32b47a9

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.