Improper error handling in Linux kernel unicode

1) Improper error handling

EUVDB-ID: #VU102207

Risk: Low

CVSSv4.0: 4.3 [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-2024-53233

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 utf8_load() function in fs/unicode/utf8-core.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

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/156bb2c569cd869583c593d27a5bd69e7b2a4264
https://git.kernel.org/stable/c/4387cef540f36c2c9297460758cc2438305a24a0
https://git.kernel.org/stable/c/6504dd27123966dc455494cb55217c04ca479121
https://git.kernel.org/stable/c/89933f8ab3b4cad5ac14ea56a39947d1ffe7d0e3
https://git.kernel.org/stable/c/c4b6c1781f6cc4e2283120ac8d873864b8056f21

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.