Vulnerability identifier: #VU91178

Vulnerability risk: Low

CVSSv3.1: 6.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52857

CWE-ID: CWE-190

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 execute arbitrary code.

The vulnerability exists due to integer overflow within the mtk_plane_update_new_state() function in drivers/gpu/drm/mediatek/mtk_drm_plane.c, within the mtk_drm_gem_dumb_create() function in drivers/gpu/drm/mediatek/mtk_drm_gem.c. A local user can execute arbitrary code.

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/0d8a1df39d3fc34560e2cc663b5c340d06a25396
http://git.kernel.org/stable/c/96312a251d4dcee5d36e32edba3002bfde0ddd9c
http://git.kernel.org/stable/c/b0b0d811eac6b4c52cb9ad632fa6384cf48869e7

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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.