CVE-2023-53400

Published: Sep 18, 2025Modified: Jun 17, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix Oops by 9.1 surround channel names get_line_out_pfx() may trigger an Oops by overflowing the static array with more than 8 channels. This was reported for MacBookPro 12,1 with Cirrus codec. As a workaround, extend for the 9.1 channels and also fix the potential Oops by unifying the code paths accessing the same array with the proper size check.

Affected (9)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

9 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Before 4.14.316
Linux Linux Kernel	From 4.15 to 4.19.284
Linux Linux Kernel	From 4.20 to 5.4.244
Linux Linux Kernel	From 5.11 to 5.15.113
Linux Linux Kernel	From 5.16 to 6.1.30
Linux Linux Kernel	From 5.5 to 5.10.181
Linux Linux Kernel	From 6.2 to 6.3.4
Linux Linux Kernel	Version 6.4 rc1
Linux Linux Kernel	Version 6.4 rc2