{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-63948",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-19T07:54:57.023Z",
        "datePublished": "2026-07-19T14:55:41.985Z",
        "dateUpdated": "2026-07-19T14:55:41.985Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-19T14:55:41.985Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: fix chan ref leak in l2cap_chan_timeout() on !conn\n\n__set_chan_timer() takes a l2cap_chan reference via l2cap_chan_hold()\nbefore scheduling the delayed work.  The normal path in\nl2cap_chan_timeout() drops this reference with l2cap_chan_put() at the\nend, but the early return when chan->conn is NULL skips the put,\nleaking the reference.\n\nAdd the missing l2cap_chan_put() before the early return."
                }
            ],
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                    "vendor": "Linux",
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                            "version": "5.15.159",
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                            "status": "affected",
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                            "lessThan": "6.1.176",
                            "status": "affected",
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                            "status": "affected",
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                    "vendor": "Linux",
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                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
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                        },
                        {
                            "version": "6.18.35",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.12",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/50f1bcaaaa3a80bb1c3472044bc146e8d49d51ee"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b5c59a5b469e2a809a2d57eda4ded94235971060"
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                    "url": "https://git.kernel.org/stable/c/8894c2010435a56ce7c6c2a8785860c13554df2f"
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                {
                    "url": "https://git.kernel.org/stable/c/9dbd84990394c51f5cee1e8871bb5ff8af5ed939"
                }
            ],
            "title": "Bluetooth: L2CAP: fix chan ref leak in l2cap_chan_timeout() on !conn",
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