{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-68306",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-16T14:48:05.294Z",
        "datePublished": "2025-12-16T15:06:23.486Z",
        "dateUpdated": "2026-05-11T21:50:37.297Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:50:37.297Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btusb: mediatek: Fix kernel crash when releasing mtk iso interface\n\nWhen performing reset tests and encountering abnormal card drop issues\nthat lead to a kernel crash, it is necessary to perform a null check\nbefore releasing resources to avoid attempting to release a null pointer.\n\n<4>[   29.158070] Hardware name: Google Quigon sku196612/196613 board (DT)\n<4>[   29.158076] Workqueue: hci0 hci_cmd_sync_work [bluetooth]\n<4>[   29.158154] pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n<4>[   29.158162] pc : klist_remove+0x90/0x158\n<4>[   29.158174] lr : klist_remove+0x88/0x158\n<4>[   29.158180] sp : ffffffc0846b3c00\n<4>[   29.158185] pmr_save: 000000e0\n<4>[   29.158188] x29: ffffffc0846b3c30 x28: ffffff80cd31f880 x27: ffffff80c1bdc058\n<4>[   29.158199] x26: dead000000000100 x25: ffffffdbdc624ea3 x24: ffffff80c1bdc4c0\n<4>[   29.158209] x23: ffffffdbdc62a3e6 x22: ffffff80c6c07000 x21: ffffffdbdc829290\n<4>[   29.158219] x20: 0000000000000000 x19: ffffff80cd3e0648 x18: 000000031ec97781\n<4>[   29.158229] x17: ffffff80c1bdc4a8 x16: ffffffdc10576548 x15: ffffff80c1180428\n<4>[   29.158238] x14: 0000000000000000 x13: 000000000000e380 x12: 0000000000000018\n<4>[   29.158248] x11: ffffff80c2a7fd10 x10: 0000000000000000 x9 : 0000000100000000\n<4>[   29.158257] x8 : 0000000000000000 x7 : 7f7f7f7f7f7f7f7f x6 : 2d7223ff6364626d\n<4>[   29.158266] x5 : 0000008000000000 x4 : 0000000000000020 x3 : 2e7325006465636e\n<4>[   29.158275] x2 : ffffffdc11afeff8 x1 : 0000000000000000 x0 : ffffffdc11be4d0c\n<4>[   29.158285] Call trace:\n<4>[   29.158290]  klist_remove+0x90/0x158\n<4>[   29.158298]  device_release_driver_internal+0x20c/0x268\n<4>[   29.158308]  device_release_driver+0x1c/0x30\n<4>[   29.158316]  usb_driver_release_interface+0x70/0x88\n<4>[   29.158325]  btusb_mtk_release_iso_intf+0x68/0xd8 [btusb (HASH:e8b6 5)]\n<4>[   29.158347]  btusb_mtk_reset+0x5c/0x480 [btusb (HASH:e8b6 5)]\n<4>[   29.158361]  hci_cmd_sync_work+0x10c/0x188 [bluetooth (HASH:a4fa 6)]\n<4>[   29.158430]  process_scheduled_works+0x258/0x4e8\n<4>[   29.158441]  worker_thread+0x300/0x428\n<4>[   29.158448]  kthread+0x108/0x1d0\n<4>[   29.158455]  ret_from_fork+0x10/0x20\n<0>[   29.158467] Code: 91343000 940139d1 f9400268 927ff914 (f9401297)\n<4>[   29.158474] ---[ end trace 0000000000000000 ]---\n<0>[   29.167129] Kernel panic - not syncing: Oops: Fatal exception\n<2>[   29.167144] SMP: stopping secondary CPUs\n<4>[   29.167158] ------------[ cut here ]------------"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/bluetooth/btusb.c",
                        "include/net/bluetooth/hci_core.h"
                    ],
                    "versions": [
                        {
                            "version": "ceac1cb0259de682d78f5c784ef8e0b13022e9d9",
                            "lessThan": "421e88a0d85782786b7a1764c75518b4845e07b3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ceac1cb0259de682d78f5c784ef8e0b13022e9d9",
                            "lessThan": "faae9f2ea8806f2499186448adbf94689b47b82b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ceac1cb0259de682d78f5c784ef8e0b13022e9d9",
                            "lessThan": "4015b979767125cf8a2233a145a3b3af78bfd8fb",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/bluetooth/btusb.c",
                        "include/net/bluetooth/hci_core.h"
                    ],
                    "versions": [
                        {
                            "version": "6.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.11",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.61",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17.11",
                            "lessThanOrEqual": "6.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18",
                            "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": "6.11",
                                    "versionEndExcluding": "6.12.61"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.11",
                                    "versionEndExcluding": "6.17.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.11",
                                    "versionEndExcluding": "6.18"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/421e88a0d85782786b7a1764c75518b4845e07b3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/faae9f2ea8806f2499186448adbf94689b47b82b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4015b979767125cf8a2233a145a3b3af78bfd8fb"
                }
            ],
            "title": "Bluetooth: btusb: mediatek: Fix kernel crash when releasing mtk iso interface",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}