#VU98928 NULL pointer dereference in Linux kernel - CVE-2024-49919

Vulnerability identifier: #VU98928

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-2024-49919

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 dcn201_acquire_free_pipe_for_layer() function in drivers/gpu/drm/amd/display/dc/resource/dcn201/dcn201_resource.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/390d757621f5f35d11a63ed7d9d3262ead240064
https://git.kernel.org/stable/c/8a1b1655a490a492a5a6987254c935ecce4eb9de
https://git.kernel.org/stable/c/f22f4754aaa47d8c59f166ba3042182859e5dff7

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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.