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Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref

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-2026-64434

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": [
                        "include/net/bluetooth/l2cap.h",
                        "net/bluetooth/l2cap_core.c"
                    ],
                    "versions": [
                        {
                            "version": "3634cbdc2eb414b69ffa752ddbe5e0458518e321",
                            "lessThan": "8f90405a4a6f1f1880dc07996b47bf57c712bd8a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e1c100e2d61bd8c718b7d91fe3e050780a9bf72d",
                            "lessThan": "32d783cafb46ff3ca58e6f9fd62c9c5f35eaf26b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "deb8493a8fa599f6c95e2465b12bfdfb7f94a1d9",
                            "lessThan": "8922c7940bae9ce4b1736dddb6362370793835c2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "89dec92041717b027216e110599e4f6d6c921b79",
                            "lessThan": "91047a4396a8b1857a6f712a90cf33ec0012b189",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "50dfec218808b148ab4247b1858031b7a32015c5",
                            "lessThan": "0b0e2bf39cf99e458d991b9df253727e036a7d7d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "859d3ace791ed878ae9ba5522c7844d960da8f88",
                            "lessThan": "d3b739db5dc6f688a60d56da872fabaf65246032",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8c8e620467a7b51562dbcefbd1f09f288d7d710d",
                            "lessThan": "50c38d9f42a529691e4e67ea9cedf4f0bfc8d277",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8c8e620467a7b51562dbcefbd1f09f288d7d710d",
                            "lessThan": "b66774b48dd98f07254951f74ea6f513efe7ff8b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7555fd885a0603f50e49a655850a1f2bd8a25398",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.10.259",
                            "lessThan": "5.10.265",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.210",
                            "lessThan": "5.15.216",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.176",
                            "lessThan": "6.1.183",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.143",
                            "lessThan": "6.6.145",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.93",
                            "lessThan": "6.12.97",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.35",
                            "lessThan": "6.18.39",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.12",
                            "lessThan": "7.1",
                            "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": [
                        "include/net/bluetooth/l2cap.h",
                        "net/bluetooth/l2cap_core.c"
                    ],
                    "versions": [
                        {
                            "version": "7.1",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "7.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.265",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.216",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.97",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.39",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.4",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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

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Sources read 8 Nov 16:17 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current