{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2023-52833",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52833",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-21T15:31:34.915Z",
    "updatedAt": "2026-05-11T19:33:53.856Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "Bluetooth: btusb: Add date->evt_skb is NULL check",
      "summary": "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",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "a1c49c434e15050b5dafe3b6f5cc732d4f02d657",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9f8e4d1a4ca1179aaeb43f91f3e2a386e7e616b3"
            },
            {
              "version": "a1c49c434e15050b5dafe3b6f5cc732d4f02d657",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f9de14bde56dcbb0765284c6dfc35842b021733c"
            },
            {
              "version": "a1c49c434e15050b5dafe3b6f5cc732d4f02d657",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a556f2ef556a04790f67f2fa272f1a77336d15a0"
            },
            {
              "version": "a1c49c434e15050b5dafe3b6f5cc732d4f02d657",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0048ddf045bddc4dacb3e783fd869a2f8fb5be30"
            },
            {
              "version": "a1c49c434e15050b5dafe3b6f5cc732d4f02d657",
              "status": "affected",
              "versionType": "git",
              "lessThan": "13b1ebad4c175e6a9b0748acbf133c21a15d282a"
            },
            {
              "version": "a1c49c434e15050b5dafe3b6f5cc732d4f02d657",
              "status": "affected",
              "versionType": "git",
              "lessThan": "624820f7c8826dd010e8b1963303c145f99816e9"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.3",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.3"
            },
            {
              "version": "5.10.202",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.140",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.64",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.5.13",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.5.*"
            },
            {
              "version": "6.6.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.7",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}