CVE-2023-53400
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedSep 18, 2025
First seenSep 18, 2025
How to fix
Update
- linux linux_kernel4.14.316, 4.19.284, 5.4.244, 5.10.181, 5.15.113, 6.1.30, 6.3.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 4.14.316, 4.15 ≤ v < 4.19.284, 4.20 ≤ v < 5.4.244, 5.5 ≤ v < 5.10.181, 5.11 ≤ v < 5.15.113, 5.16 ≤ v < 6.1.30, 6.2 ≤ v < 6.3.4, 6.4 | 4.14.316, 4.19.284, 5.4.244, 5.10.181, 5.15.113, 6.1.30, 6.3.4 |
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