Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - Bluetoothbtusb添加 date->evt_skb 为空检查补丁因空指针而崩溃 [ 6104.969662] 缺陷
    内核空指针取消引用地址00000000000000c8 [ 6104.969667] #PF内核模式中存在主管读取访问权限 [ 6104.969668] #PFerror_code(0x0000) - 不存在页面 [ 6104.969670] PGD 0 P4D 0 [6104.969673] Oops 0000 [#1] SMP NOPTI [ 6104.969684] RIP0010:btusb_mtk_hci_wmt_sync+0x144/0x220 [btusb] [ 6104.969688] RSP: 0018:ffffb8d681533d48 EFLAGS: 00010246 [ 6104.969689] RAX: 0000000000 0X:
    ffff8ad560bb2000 RCX 0000000000000006 [ 6104.969691] RDX0000000000000000 RSI: ffffb8d681533d08 RDI
    0000000000000000 [ 6104.969692] RBP: ffffb8d681533d70 R08: 0000000000000001 R09: 0000000000000001 [6104.969694] R10: 0000000000000001 R11: 00000000fa83b2da R12: ffff8ad461d1d7c0 [ 6104.969695] R13:
     R140000000000000000  : ffff8ad459618c18 R15: ffffb8d681533d90 [ 6104.969697] FS: 00007f5a1cab9d40(0000) GS:ffff8ad578200000(0000) knlGS:00000 [ 6104.969699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [6104.969700] CR2: 00000000000000c8 CR3: 000000018620c001 CR4: 0000000000760ef0 [ 6104.969701] PKRU
    55555554 [ 6104.969702] Call Trace[ 6104.969708] btusb_mtk_shutdown+0x44/0x80 [btusb] [ 6104.969732] hci_dev_do_close+0x470/0x5c0 [bluetooth] [ 6104.969748] hci_rfkill_set_block+0x56/0xa0 [bluetooth] [6104.969753] rfkill_set_block+ 0x92/0x160 [ 6104.969755] rfkill_fop_write+0x136/0x1e0 [ 6104.969759]
    __vfs_write+0x18/0x40 [ 6104.969761] vfs_write+0xdf/0x1c0 [ 6104.969763] ksys_write+0xb1/0xe0 [6104.969765] __x64_sys_write+0x1a/0x20 [ 6104.969769] do_syscall_64+0x51/0x180 [ 6104.969771] entry_SYSCALL_64_after_hwframe+0x4 [ 6104.969773] RIP: 0033:0x7f5a21f18fef [ 6104.9] RSP
    002b:00007ffeefe39010 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 6104.969780] RAX: ffffffffffffffda RBX: 000055c10a7560a0 RCX: 00007f5a21f18fef [ 6104.969781] RDX: 0000000000000008 RSI: 00007ffeefe39060 RDI: 0000000000000012 [ 6104.969782] RBP: 00007ffeefe39060 R08: 0000000000000000 R09: 0000000000000017 [6104.969784] R1000007ffeefe38d97 R110000000000000293 R120000000000000002 [ 6104.969785] R13
    00007ffeefe39220 R1400007ffeefe391a0 R15000055c10a72acf0 (CVE-2023-52833)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

检测

Linux Distros 未修补的漏洞：CVE-2023-52833

medium Nessus 插件 ID 226222

版本 1.23