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

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-89736

Published

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/gadget/function/u_audio.c"
                    ],
                    "versions": [
                        {
                            "version": "33f341c1fc60e172a3515c51bdabee11e83d1ee9",
                            "lessThan": "a7ecd1a04f4f485d7be6443d0f0b2c61a800cb82",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b131989797f7287d7fdadb2bababc05a15d44750",
                            "lessThan": "f983793f03148b097977f200298db215cd2d4438",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3bc7324e4911351e39c54a62e6ca46321cb10faf",
                            "lessThan": "6f46762196f04464e1050a9ee94e72b917db9010",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6c67ed9ad9b83e453e808f9b31a931a20a25629b",
                            "lessThan": "891a8d11f4d5eb50b2ce7570f4f98204a7a57493",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6c67ed9ad9b83e453e808f9b31a931a20a25629b",
                            "lessThan": "c74ff0b1a0fca53d3ac185873c87d6a719b30a47",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6c67ed9ad9b83e453e808f9b31a931a20a25629b",
                            "lessThan": "4e747c864a88537e18b1ffc19a1954c9686bb8e1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6c67ed9ad9b83e453e808f9b31a931a20a25629b",
                            "lessThan": "79a92896e2bb9471550c56fc23d8d93592f04c27",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6c67ed9ad9b83e453e808f9b31a931a20a25629b",
                            "lessThan": "858965947081d10d41d9a1010a540d3d5eea958b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3e016ef2e72da93a2ea7afbb45de1b481b44d761",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3256e152b645fc1e788ba44c2d8ced690113e3e6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0eda2004f38d95ef5715d62be884cd344260535b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "43ca70753dfffd517d2af126da28690f8f615605",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.10.177",
                            "lessThan": "5.10.270",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.105",
                            "lessThan": "5.15.221",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.22",
                            "lessThan": "6.1.188",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.312",
                            "lessThan": "4.15",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.280",
                            "lessThan": "4.20",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.240",
                            "lessThan": "5.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2.9",
                            "lessThan": "6.3",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/gadget/function/u_audio.c"
                    ],
                    "versions": [
                        {
                            "version": "6.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.109",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.50",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.4",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 9 Nov 08:42 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current