CVE-2023-53400

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

18/09/2025

Last modified:

14/01/2026

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.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::		4.14.316 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.284 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.244 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.181 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.113 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.30 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.3.4 (excluding)
cpe:2.3:o:linux:linux_kernel:6.4:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.4:rc2::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2023-53400

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools