{
  "cveId": "CVE-2023-52901",
  "url": "https://patchblox.com/security/cve/CVE-2023-52901",
  "summary": "CVE-2023-52901 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-52901, released August 21, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  usb: xhci: Check endpoint is valid before derefe...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  usb: xhci: Check endpoint is valid before dereferencing it  When the host controller is not responding, all URBs queued to all endpoints need to be killed. This can cause a kernel panic if we dereference an invalid endpoint.  Fix this by using xhci_get_virt_ep() helper to find the endpoint and checking if the endpoint is valid before dereferencing it.  [233311.853271] xhci-hcd xhci-hcd.1.auto: xHCI host controller not responding, assume dead [233311.853393] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000e8  [233311.853964] pc : xhci_hc_died\u002B0x10c/0x270 [233311.853971] lr : xhci_hc_died\u002B0x1ac/0x270  [233311.854077] Call trace: [233311.854085]  xhci_hc_died\u002B0x10c/0x270 [233311.854093]  xhci_stop_endpoint_command_watchdog\u002B0x100/0x1a4 [233311.854105]  call_timer_fn\u002B0x50/0x2d4 [233311.854112]  expire_timers\u002B0xac/0x2e4 [233311.854118]  run_timer_softirq\u002B0x300/0xabc [233311.854127]  __do_softirq\u002B0x148/0x528 [233311.854135]  irq_exit\u002B0x194/0x1a8 [233311.854143]  __handle_domain_irq\u002B0x164/0x1d0 [233311.854149]  gic_handle_irq.22273\u002B0x10c/0x188 [233311.854156]  el1_irq\u002B0xfc/0x1a8 [233311.854175]  lpm_cpuidle_enter\u002B0x25c/0x418 [msm_pm] [233311.854185]  cpuidle_enter_state\u002B0x1f0/0x764 [233311.854194]  do_idle\u002B0x594/0x6ac [233311.854201]  cpu_startup_entry\u002B0x7c/0x80 [233311.854209]  secondary_start_kernel\u002B0x170/0x198",
  "published": "2024-08-21T07:15:06Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.0024,
  "epssPercentile": 0.15152,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.8-1",
      "fix": "DEBIAN-CVE-2023-52901",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52901",
      "released": "2024-08-21T07:15:06Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.1.8-1",
      "fix": "DEBIAN-CVE-2023-52901",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52901",
      "released": "2024-08-21T07:15:06Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.1.8-1",
      "fix": "DEBIAN-CVE-2023-52901",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52901",
      "released": "2024-08-21T07:15:06Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}