#VU107719 NULL pointer dereference in Linux kernel - CVE-2025-22032

Vulnerability identifier: #VU107719

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-2025-22032

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 mt7921_mac_sta_add() function in drivers/net/wireless/mediatek/mt76/mt7921/main.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.13, 6.13.1, 6.13.2, 6.13.3, 6.13.4, 6.13.5, 6.13.6, 6.13.7, 6.13.8, 6.13.9, 6.13.10

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External links
https://git.kernel.org/stable/c/0cfea60966e4b1239d20bebf02258295e189e82a
https://git.kernel.org/stable/c/5a57f8eb2a17d469d65cd1186cea26b798221d4a
https://git.kernel.org/stable/c/adc3fd2a2277b7cc0b61692463771bf9bd298036
https://git.kernel.org/stable/c/effec50381991bc067acf4b3351a57831c74d27f
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.11

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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.