#VU97569 Input validation error in Linux kernel - CVE-2024-46776

Vulnerability identifier: #VU97569

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-2024-46776

CWE-ID: CWE-20

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 improper input validation within the construct_phy() function in drivers/gpu/drm/amd/display/dc/link/link_factory.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/874e3bb302f97b94ac548959ec4f925b8e7b45e2
https://git.kernel.org/stable/c/adc74d25cdbba978afbb57caec23bbcd0329f7b8
https://git.kernel.org/stable/c/3a82f62b0d9d7687eac47603bb6cd14a50fa718b

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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.