#VU98936 NULL pointer dereference in Linux kernel - CVE-2024-49911

Vulnerability identifier: #VU98936

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-2024-49911

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 dcn20_set_output_transfer_func() function in drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.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/02411e9359297512946705b1cd8cf5e6b0806fa0
https://git.kernel.org/stable/c/827380b114f83c30b3e56d1a675980b6d65f7c88
https://git.kernel.org/stable/c/62ed6f0f198da04e884062264df308277628004f

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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.