Improper error handling in Linux kernel core

1) Improper error handling

EUVDB-ID: #VU93655

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-2024-26634

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 default_device_exit_net() function in net/core/dev.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/a2232f29bf52c24f827865b3c90829c44b6c695b
https://git.kernel.org/stable/c/e855dded4b70d1975ee7b9fed0c700391e3c8ea6
https://git.kernel.org/stable/c/8072699aa9e67d1727692cfb3c347263bb627fb9
https://git.kernel.org/stable/c/d09486a04f5da0a812c26217213b89a3b1acf836

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.