#VU98986 NULL pointer dereference in Linux kernel - CVE-2024-47704

Vulnerability identifier: #VU98986

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-2024-47704

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 set_hpo_dp_throttled_vcp_size() and disable_hpo_dp_link_output() functions in drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.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
http://git.kernel.org/stable/c/be2ca7a2c1561390d28bf2f92654d819659ba510
http://git.kernel.org/stable/c/530e29452b955c30cf2102fa4d07420dc6e0c953
http://git.kernel.org/stable/c/0508a4e95ac1aefd851ceb97ea050d8abb93262c
http://git.kernel.org/stable/c/0beca868cde8742240cd0038141c30482d2b7eb8

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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.