{
  "threat_severity" : "Low",
  "public_date" : "2024-05-21T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: Bluetooth: btusb: Add date->evt_skb is NULL check",
    "id" : "2282762",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2282762"
  },
  "cvss3" : {
    "cvss3_base_score" : "4.4",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-476",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: btusb: Add date->evt_skb is NULL check\nfix crash because of null pointers\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" ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Fix deferred",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Fix deferred",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2023-52833\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52833" ],
  "name" : "CVE-2023-52833",
  "csaw" : false
}