{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50447",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-17T14:53:07.011Z",
        "datePublished": "2025-10-01T11:45:21.804Z",
        "dateUpdated": "2026-05-11T19:19:40.253Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:19:40.253Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_conn: Fix crash on hci_create_cis_sync\n\nWhen attempting to connect multiple ISO sockets without using\nDEFER_SETUP may result in the following crash:\n\nBUG: KASAN: null-ptr-deref in hci_create_cis_sync+0x18b/0x2b0\nRead of size 2 at addr 0000000000000036 by task kworker/u3:1/50\n\nCPU: 0 PID: 50 Comm: kworker/u3:1 Not tainted\n6.0.0-rc7-02243-gb84a13ff4eda #4373\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009),\nBIOS 1.16.0-1.fc36 04/01/2014\nWorkqueue: hci0 hci_cmd_sync_work\nCall Trace:\n <TASK>\n dump_stack_lvl+0x19/0x27\n kasan_report+0xbc/0xf0\n ? hci_create_cis_sync+0x18b/0x2b0\n hci_create_cis_sync+0x18b/0x2b0\n ? get_link_mode+0xd0/0xd0\n ? __ww_mutex_lock_slowpath+0x10/0x10\n ? mutex_lock+0xe0/0xe0\n ? get_link_mode+0xd0/0xd0\n hci_cmd_sync_work+0x111/0x190\n process_one_work+0x427/0x650\n worker_thread+0x87/0x750\n ? process_one_work+0x650/0x650\n kthread+0x14e/0x180\n ? kthread_exit+0x50/0x50\n ret_from_fork+0x22/0x30\n </TASK>"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/bluetooth/hci_conn.c"
                    ],
                    "versions": [
                        {
                            "version": "26afbd826ee326e63a334c37fd45e82e50a615ec",
                            "lessThan": "a190cd9dc62d6ebeb679c1abe9dda4162dfefc84",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "26afbd826ee326e63a334c37fd45e82e50a615ec",
                            "lessThan": "09a3b0c9c7c6b10587fbb610b718014703cff341",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "26afbd826ee326e63a334c37fd45e82e50a615ec",
                            "lessThan": "50757a259ba78c4e938b5735e76ffec6cd0c942e",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/bluetooth/hci_conn.c"
                    ],
                    "versions": [
                        {
                            "version": "6.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.16",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.2",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0",
                                    "versionEndExcluding": "6.0.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0",
                                    "versionEndExcluding": "6.1.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/a190cd9dc62d6ebeb679c1abe9dda4162dfefc84"
                },
                {
                    "url": "https://git.kernel.org/stable/c/09a3b0c9c7c6b10587fbb610b718014703cff341"
                },
                {
                    "url": "https://git.kernel.org/stable/c/50757a259ba78c4e938b5735e76ffec6cd0c942e"
                }
            ],
            "title": "Bluetooth: hci_conn: Fix crash on hci_create_cis_sync",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}