ASoC: SDCA: Make UMP message size check more robust (CVE-2026-80900) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-80900

ASoC: SDCA: Make UMP message size check more robust

Answer in brief

CVE-2026-80900 records a Unknown severity vulnerability in ASoC: SDCA: Make UMP message size check more robust. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 4, 2026Updated Sep 4, 2026Source checked Sep 4, 2026First seen by HOL Sep 4, 2026Material review Sep 4, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Linux/Linuxgeneric	>=daab108504be73182c16a72b9cfe47ac3b1928ca <fe5c53a952970ba15be8f512babd922e273579de \|\| >=daab108504be73182c16a72b9cfe47ac3b1928ca <556d872e7c2a0b570c5b0974813847ef0d0cd637	fe5c53a952970ba15be8f512babd922e273579de, 556d872e7c2a0b570c5b0974813847ef0d0cd637
Linux/Linuxgeneric	6.19	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to fe5c53a952970ba15be8f512babd922e273579de if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 4, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 4, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 4, 2026

Sources and claim methodology

Upstream source description

In the Linux kernel, the following vulnerability has been resolved: ASoC: SDCA: Make UMP message size check more robust If message offset was larger than the buffer length the size check will pass incorrectly. Refactor the check such that it is more robust to invalid sizes.

Quoted source text, attributed separately from HOL analysis.