CVE record · CVE-2026-89944

ASoC: hdac_hda: Fix hlink refcount leak on component registration failure

No CVSS scoreEPSS 0.0021 · 10th percentile

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:32 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Linux	Linux	affected 6bae5ea9498926440ffc883f3dbceb0adc65e492 to before 1c2625fbdeb17376f76c57b7669e6aa6500a7149 git affected 6bae5ea9498926440ffc883f3dbceb0adc65e492 to before 60b5824ae259ad15f7878e4e763ec31ba4db55f2 git affected 6bae5ea9498926440ffc883f3dbceb0adc65e492 to before 7eef9ae3b4ef782557526dd8ba0c206f028d8c2f git affected 6bae5ea9498926440ffc883f3dbceb0adc65e492 to before e8ea01a0457080b0cc7c69c430c0ab65d84dc377 git affected 6bae5ea9498926440ffc883f3dbceb0adc65e492 to before cb6b0b1a9d5a61ef841739d42c6211094e9c8e2c git affected 6bae5ea9498926440ffc883f3dbceb0adc65e492 to before 6ad4892c4f5cb437a928a02f5b7d37d496aa9268 git Other versions: unaffected
Linux	Linux	affected 4.20 unaffected before 4.20 semver unaffected 6.1.191 to 6.1., inclusive semver unaffected 6.6.160 to 6.6., inclusive semver unaffected 6.12.110 to 6.12., inclusive semver unaffected 6.18.51 to 6.18., inclusive semver unaffected 7.2.5 to 7.2., inclusive semver unaffected 7.3 to , inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-89944
CNA: Linux
Tags: Linux kernel
Published: 16 Sept 2026
Updated: 30 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The Linux kernel ASoC hdac_hda driver leaks a reference to an HDA link when component registration fails during probe. The source gives few details on attacker access or impact. Upgrade to a fixed release, such as 6.1.191, 6.6.160, 6.12.110, or 6.18.51, or a later release in those series.

Written 12 Nov 2026.

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

No source has published a CVSS score for this record yet.

CISA KEV Not listed.
EPSS 0.0021, the 10th percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 16 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.