CVE record · CVE-2026-89736

usb: gadget: u_audio: Fix use-after-free on sound card disconnect

CVSS 7.8 HighEPSS 0.0013 · 2nd percentile

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:46 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 33f341c1fc60e172a3515c51bdabee11e83d1ee9 to before a7ecd1a04f4f485d7be6443d0f0b2c61a800cb82 git affected b131989797f7287d7fdadb2bababc05a15d44750 to before f983793f03148b097977f200298db215cd2d4438 git affected 3bc7324e4911351e39c54a62e6ca46321cb10faf to before 6f46762196f04464e1050a9ee94e72b917db9010 git affected 6c67ed9ad9b83e453e808f9b31a931a20a25629b to before 891a8d11f4d5eb50b2ce7570f4f98204a7a57493 git affected 6c67ed9ad9b83e453e808f9b31a931a20a25629b to before c74ff0b1a0fca53d3ac185873c87d6a719b30a47 git affected 6c67ed9ad9b83e453e808f9b31a931a20a25629b to before 4e747c864a88537e18b1ffc19a1954c9686bb8e1 git affected 6c67ed9ad9b83e453e808f9b31a931a20a25629b to before 79a92896e2bb9471550c56fc23d8d93592f04c27 git affected 6c67ed9ad9b83e453e808f9b31a931a20a25629b to before 858965947081d10d41d9a1010a540d3d5eea958b git affected 3e016ef2e72da93a2ea7afbb45de1b481b44d761 git affected 3256e152b645fc1e788ba44c2d8ced690113e3e6 git affected 0eda2004f38d95ef5715d62be884cd344260535b git affected 43ca70753dfffd517d2af126da28690f8f615605 git and 7 more Other versions: unaffected
Linux	Linux	affected 6.3 unaffected before 6.3 semver unaffected 5.10.270 to 5.10., inclusive semver unaffected 5.15.221 to 5.15., inclusive semver unaffected 6.1.188 to 6.1., inclusive semver unaffected 6.6.157 to 6.6., inclusive semver unaffected 6.12.109 to 6.12., inclusive semver unaffected 6.18.50 to 6.18., inclusive semver unaffected 7.2.4 to 7.2., inclusive semver unaffected 7.3 to , inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-89736
CNA: Linux
Tags: Linux kernel
Published: 11 Sept 2026
Updated: 19 Oct 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

Score	Rating	CVSS	Vector	Source
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (Linux)

CISA KEV Not listed.
EPSS 0.0013, the 2nd percentile, on 14 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 11 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.