Vulnerability identifier: #VU92351

Vulnerability risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-38546

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 vc4_hdmi_audio_init() 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:

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External links
http://git.kernel.org/stable/c/2d9adecc88ab678785b581ab021f039372c324cb
http://git.kernel.org/stable/c/6cf1874aec42058a5ad621a23b5b2f248def0e96
http://git.kernel.org/stable/c/80431ea3634efb47a3004305d76486db9dd8ed49
http://git.kernel.org/stable/c/42c22b63056cea259d5313bf138a834840af85a5
http://git.kernel.org/stable/c/2a345fe928c21de6f3c3c7230ff509d715153a31
http://git.kernel.org/stable/c/bd7827d46d403f8cdb43d16744cb1114e4726b21
http://git.kernel.org/stable/c/c534b63bede6cb987c2946ed4d0b0013a52c5ba7

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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.