#VU97796 NULL pointer dereference in Linux kernel - CVE-2024-46810

Vulnerability identifier: #VU97796

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-2024-46810

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 tc_irq_handler() function in drivers/gpu/drm/bridge/tc358767.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/adc5674c23b8191e596ed0dbaa9600265ac896a8
https://git.kernel.org/stable/c/e1b121f21bbc56a6ae035aa5b77daac62bfb9be5
https://git.kernel.org/stable/c/9d567126474e68f959b2c2543c375f3bb32e948a
https://git.kernel.org/stable/c/1fb13693953737783b424aa4712f0a27a9eaf5a8
https://git.kernel.org/stable/c/162e48cb1d84c2c966b649b8ac5c9d4f75f6d44f

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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.