Memory leak in Linux kernel drm meson driver

1) Memory leak

EUVDB-ID: #VU90022

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-2023-52563

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

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

The vulnerability exists due to memory leak within the meson_encoder_hdmi_hpd_notify() function in drivers/gpu/drm/meson/meson_encoder_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: All versions

External links

http://git.kernel.org/stable/c/66cb6d74f5a1b6eafe3370b56bf2cb575a91acbc
http://git.kernel.org/stable/c/ee335e0094add7fc2c7034e0534e1920d61d2078
http://git.kernel.org/stable/c/43b63e088887a8b82750e16762f77100ffa76cba
http://git.kernel.org/stable/c/099f0af9d98231bb74956ce92508e87cbcb896be

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.