#VU95005 Reachable assertion in Linux kernel - CVE-2024-42117

Vulnerability identifier: #VU95005

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-2024-42117

CWE-ID: CWE-617

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 reachable assertion within the find_disp_cfg_idx_by_plane_id() and find_disp_cfg_idx_by_stream_id() functions in drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: before

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External links
https://git.kernel.org/stable/c/a9c047a5cf3135b8b66bd28fbe2c698b9cace0b3
https://git.kernel.org/stable/c/01eb50e53c1ce505bf449348d433181310288765
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10

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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.