Input validation error in Linux kernel realtek rtw89 driver

1) Input validation error

EUVDB-ID: #VU95081

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-2024-42125

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 rtw89_scan_get_6g_disabled_chan() function in drivers/net/wireless/realtek/rtw89/fw.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: before

CPE2.3

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

External links

https://git.kernel.org/stable/c/ce4ba62f8bc5195a9a0d49c6235a9c99e619cadc
https://git.kernel.org/stable/c/bb38626f3f97e16e6d368a9ff6daf320f3fe31d9
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10

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.