{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-52833",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btusb: Add date->evt_skb is NULL check\n\nfix crash because of null pointers\n\n[ 6104.969662] BUG: kernel NULL pointer dereference, address: 00000000000000c8\n[ 6104.969667] #PF: supervisor read access in kernel mode\n[ 6104.969668] #PF: error_code(0x0000) - not-present page\n[ 6104.969670] PGD 0 P4D 0\n[ 6104.969673] Oops: 0000 [#1] SMP NOPTI\n[ 6104.969684] RIP: 0010:btusb_mtk_hci_wmt_sync+0x144/0x220 [btusb]\n[ 6104.969688] RSP: 0018:ffffb8d681533d48 EFLAGS: 00010246\n[ 6104.969689] RAX: 0000000000000000 RBX: ffff8ad560bb2000 RCX: 0000000000000006\n[ 6104.969691] RDX: 0000000000000000 RSI: ffffb8d681533d08 RDI: 0000000000000000\n[ 6104.969692] RBP: ffffb8d681533d70 R08: 0000000000000001 R09: 0000000000000001\n[ 6104.969694] R10: 0000000000000001 R11: 00000000fa83b2da R12: ffff8ad461d1d7c0\n[ 6104.969695] R13: 0000000000000000 R14: ffff8ad459618c18 R15: ffffb8d681533d90\n[ 6104.969697] FS:  00007f5a1cab9d40(0000) GS:ffff8ad578200000(0000) knlGS:00000\n[ 6104.969699] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 6104.969700] CR2: 00000000000000c8 CR3: 000000018620c001 CR4: 0000000000760ef0\n[ 6104.969701] PKRU: 55555554\n[ 6104.969702] Call Trace:\n[ 6104.969708]  btusb_mtk_shutdown+0x44/0x80 [btusb]\n[ 6104.969732]  hci_dev_do_close+0x470/0x5c0 [bluetooth]\n[ 6104.969748]  hci_rfkill_set_block+0x56/0xa0 [bluetooth]\n[ 6104.969753]  rfkill_set_block+0x92/0x160\n[ 6104.969755]  rfkill_fop_write+0x136/0x1e0\n[ 6104.969759]  __vfs_write+0x18/0x40\n[ 6104.969761]  vfs_write+0xdf/0x1c0\n[ 6104.969763]  ksys_write+0xb1/0xe0\n[ 6104.969765]  __x64_sys_write+0x1a/0x20\n[ 6104.969769]  do_syscall_64+0x51/0x180\n[ 6104.969771]  entry_SYSCALL_64_after_hwframe+0x44/0xa9\n[ 6104.969773] RIP: 0033:0x7f5a21f18fef\n[ 6104.9] RSP: 002b:00007ffeefe39010 EFLAGS: 00000293 ORIG_RAX: 0000000000000001\n[ 6104.969780] RAX: ffffffffffffffda RBX: 000055c10a7560a0 RCX: 00007f5a21f18fef\n[ 6104.969781] RDX: 0000000000000008 RSI: 00007ffeefe39060 RDI: 0000000000000012\n[ 6104.969782] RBP: 00007ffeefe39060 R08: 0000000000000000 R09: 0000000000000017\n[ 6104.969784] R10: 00007ffeefe38d97 R11: 0000000000000293 R12: 0000000000000002\n[ 6104.969785] R13: 00007ffeefe39220 R14: 00007ffeefe391a0 R15: 000055c10a72acf0"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "1da177e4c3f4",
                                            "version_value": "9f8e4d1a4ca1"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "5.10.202",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.15.140",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.1.64",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.5.13",
                                                        "lessThanOrEqual": "6.5.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.6.3",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.7",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/9f8e4d1a4ca1179aaeb43f91f3e2a386e7e616b3",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/9f8e4d1a4ca1179aaeb43f91f3e2a386e7e616b3"
            },
            {
                "url": "https://git.kernel.org/stable/c/f9de14bde56dcbb0765284c6dfc35842b021733c",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/f9de14bde56dcbb0765284c6dfc35842b021733c"
            },
            {
                "url": "https://git.kernel.org/stable/c/a556f2ef556a04790f67f2fa272f1a77336d15a0",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/a556f2ef556a04790f67f2fa272f1a77336d15a0"
            },
            {
                "url": "https://git.kernel.org/stable/c/0048ddf045bddc4dacb3e783fd869a2f8fb5be30",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/0048ddf045bddc4dacb3e783fd869a2f8fb5be30"
            },
            {
                "url": "https://git.kernel.org/stable/c/13b1ebad4c175e6a9b0748acbf133c21a15d282a",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/13b1ebad4c175e6a9b0748acbf133c21a15d282a"
            },
            {
                "url": "https://git.kernel.org/stable/c/624820f7c8826dd010e8b1963303c145f99816e9",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/624820f7c8826dd010e8b1963303c145f99816e9"
            }
        ]
    },
    "generator": {
        "engine": "bippy-a5840b7849dd"
    }
}