{
  "cveId": "CVE-2022-50656",
  "url": "https://patchblox.com/security/cve/CVE-2022-50656",
  "summary": "CVE-2022-50656 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50656, released December 9, 2025. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  nfc: pn533: Clear nfc_target before being used...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  nfc: pn533: Clear nfc_target before being used  Fix a slab-out-of-bounds read that occurs in nla_put() called from nfc_genl_send_target() when target-\u003Esensb_res_len, which is duplicated from an nfc_target in pn533, is too large as the nfc_target is not properly initialized and retains garbage values. Clear nfc_targets with memset() before they are used.  Found by a modified version of syzkaller.  BUG: KASAN: slab-out-of-bounds in nla_put Call Trace:  memcpy  nla_put  nfc_genl_dump_targets  genl_lock_dumpit  netlink_dump  __netlink_dump_start  genl_family_rcv_msg_dumpit  genl_rcv_msg  netlink_rcv_skb  genl_rcv  netlink_unicast  netlink_sendmsg  sock_sendmsg  ____sys_sendmsg  ___sys_sendmsg  __sys_sendmsg  do_syscall_64",
  "published": "2025-12-09T01:16:48Z",
  "severity": "high",
  "cvss": 8.1,
  "cvssVector": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
  "epss": 0.00344,
  "epssPercentile": 0.2815,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.4-1",
      "fix": "DEBIAN-CVE-2022-50656",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50656",
      "released": "2025-12-09T01:16:48Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.1.4-1",
      "fix": "DEBIAN-CVE-2022-50656",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50656",
      "released": "2025-12-09T01:16:48Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.1.4-1",
      "fix": "DEBIAN-CVE-2022-50656",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50656",
      "released": "2025-12-09T01:16:48Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}