#VU98938 NULL pointer dereference in Linux kernel - CVE-2024-49909

Vulnerability identifier: #VU98938

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-2024-49909

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 dcn32_set_output_transfer_func() function in drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.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/496486950c3d2aebf46a3be300296ac091da7a2d
https://git.kernel.org/stable/c/5298270bdabe97be5b8236e544c9e936415fe1f2
https://git.kernel.org/stable/c/28574b08c70e56d34d6f6379326a860b96749051

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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.