#VU90022 Memory leak in Linux kernel - CVE-2023-52563

Vulnerability identifier: #VU90022

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-2023-52563

CWE-ID: CWE-401

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 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

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External links
https://git.kernel.org/stable/c/66cb6d74f5a1b6eafe3370b56bf2cb575a91acbc
https://git.kernel.org/stable/c/ee335e0094add7fc2c7034e0534e1920d61d2078
https://git.kernel.org/stable/c/43b63e088887a8b82750e16762f77100ffa76cba
https://git.kernel.org/stable/c/099f0af9d98231bb74956ce92508e87cbcb896be

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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.