#VU102276 Input validation error in Linux kernel - CVE-2024-56683

Vulnerability identifier: #VU102276

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-2024-56683

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 vc4_hdmi_debugfs_regs() function in drivers/gpu/drm/vc4/vc4_hdmi.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/0ea29bd7d9400d3629683244d609358ed1b12075
https://git.kernel.org/stable/c/16f351adf733a182224ad24916d7673aa6df02df
https://git.kernel.org/stable/c/223ee2567a55e4f80315c768d2969e6a3b9fb23d
https://git.kernel.org/stable/c/74f21be9990a42dc2357bcf87a13e16c6998b90e
https://git.kernel.org/stable/c/c7d474974954d9af7e0092021223d58f2de128df

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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.