#VU96124 NULL pointer dereference in Linux kernel - CVE-2024-43829

Vulnerability identifier: #VU96124

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-2024-43829

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 qxl_add_mode() function in drivers/gpu/drm/qxl/qxl_display.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/f28b353c0c6c7831a70ccca881bf2db5e6785cdd
https://git.kernel.org/stable/c/4b1f303bdeceac049e56e4b20eb5280bd9e02f4f
https://git.kernel.org/stable/c/d4c57354a06cb4a77998ff8aa40af89eee30e07b
https://git.kernel.org/stable/c/7bd09a2db0f617377027a2bb0b9179e6959edff3

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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.