Improper Initialization in Linux kernel decoder vdec driver

1) Improper Initialization

EUVDB-ID: #VU93608

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-2024-35921

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper initialization within the vdec_hevc_slice_init() function in drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_hevc_req_multi_if.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

CPE2.3

External links

http://git.kernel.org/stable/c/ec25fc3c2c1e8958a51abcfed614f81446d918c4
http://git.kernel.org/stable/c/521ce0ea7418298d754494fe53263c23c4c78a8e
http://git.kernel.org/stable/c/97c75ee5de060d271d80109b0c47cb6008439e5b

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.