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.
Security readout for executives and security teams
Plain-English summary
This CVE describes a Linux kernel bug in Intel audio platform matching code. A required empty end marker was missing, so the kernel code that scans a hardware description array may not stop where intended. Public sources do not provide a CVSS score, concrete impact, or evidence of exploitation.
Executive priority
Treat as a tracking and patch-management item, not an emergency, unless your environment has affected kernel builds on relevant Intel hardware. Current public evidence lacks severity, exploitation, and impact details.
Technical view
In ASoC Intel soc-acpi-intel-lnl-match, hda_sdw_machine_select() uses !link->num_adr to end iteration because struct snd_soc_acpi_mach has no links_num field. The fix adds the required empty struct snd_soc_acpi_link_adr terminator. The CVE record lists Linux 6.10 through 6.10.11 and 6.11 as affected.
Likely exposure
Exposure appears limited to systems running affected Linux kernel versions with the relevant Intel ASoC/SoundWire platform matching path. The source bundle does not identify distributions, devices, or cloud images affected.
Exploitation context
The CVE is not listed as CISA KEV in the provided bundle. No cited source states active exploitation, exploit availability, attack prerequisites, or a demonstrated security impact.
Researcher notes
The record is sparse. The bug is a missing sentinel in an array consumed by a loop termination condition. Assess whether absent termination can cause out-of-bounds reads or misselection in your kernel tree, but do not assume impact beyond the cited fix.
Mitigation direction
Apply kernel updates that include the referenced Linux stable fixes.
Check your Linux distribution advisory for packaged kernel status.
Prioritize affected endpoints using Intel audio/SoundWire hardware paths.
Track CVE updates for severity, impact, and affected-version clarification.
Validation and detection
Inventory Linux kernel versions across servers and endpoints.
Flag systems running Linux 6.10 through 6.10.11 or 6.11.
Confirm installed kernels include one of the referenced stable commits.
Review distribution changelogs for CVE-2024-46863 backports.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cve · low confidence lookup
CVE-2024-46863 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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