CVE-2024-46863: ASoC: Intel: soc-acpi-intel-lnl-match: add missing empty item

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-09-27 · updated 2026-08-04

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: soc-acpi-intel-lnl-match: add missing empty item There is no links_num in struct snd_soc_acpi_mach {}, and we test !link->num_adr as a condition to end the loop in hda_sdw_machine_select(). So an empty item in struct snd_soc_acpi_link_adr array is required.

Affected products

Linux kernel: before 6.6.52; from 6.7 before 6.10.11; 6.11-rc1, 6.11-rc2, 6.11-rc3 — fixed in 6.10.11, 6.6.52

How to fix

Upgrade to a fixed version: Linux kernel 6.10.11, 6.6.52. Check the vendor advisory for mitigations.

References

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