#VU98935 NULL pointer dereference in Linux kernel - CVE-2024-49912

Vulnerability identifier: #VU98935

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-2024-49912

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 planes_changed_for_existing_stream() function in drivers/gpu/drm/amd/display/dc/core/dc_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/c4b699b93496c423b0e5b584d4eb4ab849313bcf
https://git.kernel.org/stable/c/4778982c73d6c9f3fdbdbc6b6c8aa18df98251af
https://git.kernel.org/stable/c/ec6c32b58e6c4e87760e797c525e99a460c82bcb
https://git.kernel.org/stable/c/0ffd9fb03bbc99ed1eb5dc989d5c7da2faac0659
https://git.kernel.org/stable/c/8141f21b941710ecebe49220b69822cab3abd23d

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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.