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Bluetooth: L2CAP: Fix use-after-free in l2cap_unregister_user

cve-program · CVE-2026-23461

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": [
                        "net/bluetooth/l2cap_core.c"
                    ],
                    "versions": [
                        {
                            "version": "efc30877bd4bc85fefe98d80af60fafc86e5775e",
                            "lessThan": "11a87dd5df428a4b79a84d2790cac7f3c73f1f0d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f87271d21dd4ee83857ca11b94e7b4952749bbae",
                            "lessThan": "c22a5e659959eb77c2fbb58a5adfaf3c3dab7abf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ab4eedb790cae44313759b50fe47da285e2519d5",
                            "lessThan": "da3000cbe4851458a22be38bb18c0689c39fdd5f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ab4eedb790cae44313759b50fe47da285e2519d5",
                            "lessThan": "71030f3b3015a412133a805ff47970cdcf30c2b8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ab4eedb790cae44313759b50fe47da285e2519d5",
                            "lessThan": "752a6c9596dd25efd6978a73ff21f3b592668f4a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "18ab6b6078fa8191ca30a3065d57bf35d5635761",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.6.84",
                            "lessThan": "6.6.130",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.20",
                            "lessThan": "6.12.78",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13.8",
                            "lessThan": "6.14",
                            "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": [
                        "net/bluetooth/l2cap_core.c"
                    ],
                    "versions": [
                        {
                            "version": "6.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.130",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.78",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.20",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.10",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "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 21:05 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current