Input validation error in Linux kernel wireless

1) Input validation error

EUVDB-ID: #VU96548

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-2024-43912

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 __nl80211_set_channel() function in net/wireless/nl80211.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/3d42f2125f6c89e1e71c87b9f23412afddbba45e
http://git.kernel.org/stable/c/c6ea738e3feb407a3283197d9a25d0788f4f3cee
http://git.kernel.org/stable/c/ac3bf6e47fd8da9bfe8027e1acfe0282a91584fc
http://git.kernel.org/stable/c/23daf1b4c91db9b26f8425cc7039cf96d22ccbfe

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.