#VU94256 NULL pointer dereference in Linux kernel - CVE-2024-40911

Vulnerability identifier: #VU94256

Vulnerability 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-2024-40911

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the cfg80211_get_station() function in net/wireless/util.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

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External links
https://git.kernel.org/stable/c/dfd84ce41663be9ca3f69bd657c45f49b69344d9
https://git.kernel.org/stable/c/6d540b0317901535275020bd4ac44fac6439ca76
https://git.kernel.org/stable/c/0ccc63958d8373e15a69f4f8069f3e78f7f3898a
https://git.kernel.org/stable/c/43e1eefb0b2094e2281150d87d09e8bc872b9fba
https://git.kernel.org/stable/c/642f89daa34567d02f312d03e41523a894906dae

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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.