#VU97812 Reachable assertion in Linux kernel - CVE-2024-46811

Vulnerability identifier: #VU97812

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-2024-46811

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 dcn321_update_bw_bounding_box_fpu() function in drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c, within the dcn32_update_bw_bounding_box_fpu() function in drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c, within the dcn303_fpu_update_bw_bounding_box() function in drivers/gpu/drm/amd/display/dc/dml/dcn303/dcn303_fpu.c, within the dcn302_fpu_update_bw_bounding_box() function in drivers/gpu/drm/amd/display/dc/dml/dcn302/dcn302_fpu.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/4003bac784380fed1f94f197350567eaa73a409d
https://git.kernel.org/stable/c/aba188d6f4ebaf52acf13f204db2bd2c22072504
https://git.kernel.org/stable/c/188fd1616ec43033cedbe343b6579e9921e2d898

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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.