#VU98978 NULL pointer dereference in Linux kernel - CVE-2024-47681

Vulnerability identifier: #VU98978

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-2024-47681

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 mt7996_mcu_sta_bfer_he() function in drivers/net/wireless/mediatek/mt76/mt7996/mcu.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/8e4b60ae8a047ad2fb175fcfdd54feee80983a45
https://git.kernel.org/stable/c/174c803b432596cdd7dd3ec5e0ec52b561969ee2
https://git.kernel.org/stable/c/1afdde3b5f56217d875a543cf565075c11bbddad
https://git.kernel.org/stable/c/f503ae90c7355e8506e68498fe84c1357894cd5b

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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.