{
  "cveId": "CVE-2024-27053",
  "url": "https://patchblox.com/security/cve/CVE-2024-27053",
  "summary": "CVE-2024-27053 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-27053, released May 1, 2024. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  wifi: wilc1000: fix RCU usage in connect path  W...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  wifi: wilc1000: fix RCU usage in connect path  With lockdep enabled, calls to the connect function from cfg802.11 layer lead to the following warning:  ============================= WARNING: suspicious RCU usage 6.7.0-rc1-wt\u002B #333 Not tainted ----------------------------- drivers/net/wireless/microchip/wilc1000/hif.c:386 suspicious rcu_dereference_check() usage! [...] stack backtrace: CPU: 0 PID: 100 Comm: wpa_supplicant Not tainted 6.7.0-rc1-wt\u002B #333 Hardware name: Atmel SAMA5  unwind_backtrace from show_stack\u002B0x18/0x1c  show_stack from dump_stack_lvl\u002B0x34/0x48  dump_stack_lvl from wilc_parse_join_bss_param\u002B0x7dc/0x7f4  wilc_parse_join_bss_param from connect\u002B0x2c4/0x648  connect from cfg80211_connect\u002B0x30c/0xb74  cfg80211_connect from nl80211_connect\u002B0x860/0xa94  nl80211_connect from genl_rcv_msg\u002B0x3fc/0x59c  genl_rcv_msg from netlink_rcv_skb\u002B0xd0/0x1f8  netlink_rcv_skb from genl_rcv\u002B0x2c/0x3c  genl_rcv from netlink_unicast\u002B0x3b0/0x550  netlink_unicast from netlink_sendmsg\u002B0x368/0x688  netlink_sendmsg from ____sys_sendmsg\u002B0x190/0x430  ____sys_sendmsg from ___sys_sendmsg\u002B0x110/0x158  ___sys_sendmsg from sys_sendmsg\u002B0xe8/0x150  sys_sendmsg from ret_fast_syscall\u002B0x0/0x1c  This warning is emitted because in the connect path, when trying to parse target BSS parameters, we dereference a RCU pointer whithout being in RCU critical section. Fix RCU dereference usage by moving it to a RCU read critical section. To avoid wrapping the whole wilc_parse_join_bss_param under the critical section, just use the critical section to copy ies data",
  "published": "2024-05-01T13:15:50Z",
  "severity": "high",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.01648,
  "epssPercentile": 0.76649,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.85-1",
      "fix": "DEBIAN-CVE-2024-27053",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-27053",
      "released": "2024-05-01T13:15:50Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.7.12-1",
      "fix": "DEBIAN-CVE-2024-27053",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-27053",
      "released": "2024-05-01T13:15:50Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.7.12-1",
      "fix": "DEBIAN-CVE-2024-27053",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-27053",
      "released": "2024-05-01T13:15:50Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T13:31:49Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}