{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-27053",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-27053"
  ],
  "published": "2024-05-01T12:57:40Z",
  "summary": "wifi: wilc1000: fix RCU usage in connect path",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wilc1000: fix RCU usage in connect path\n\nWith lockdep enabled, calls to the connect function from cfg802.11 layer\nlead to the following warning:\n\n=============================\nWARNING: suspicious RCU usage\n6.7.0-rc1-wt+ #333 Not tainted\n-----------------------------\ndrivers/net/wireless/microchip/wilc1000/hif.c:386\nsuspicious rcu_dereference_check() usage!\n[...]\nstack backtrace:\nCPU: 0 PID: 100 Comm: wpa_supplicant Not tainted 6.7.0-rc1-wt+ #333\nHardware name: Atmel SAMA5\n unwind_backtrace from show_stack+0x18/0x1c\n show_stack from dump_stack_lvl+0x34/0x48\n dump_stack_lvl from wilc_parse_join_bss_param+0x7dc/0x7f4\n wilc_parse_join_bss_param from connect+0x2c4/0x648\n connect from cfg80211_connect+0x30c/0xb74\n cfg80211_connect from nl80211_connect+0x860/0xa94\n nl80211_connect from genl_rcv_msg+0x3fc/0x59c\n genl_rcv_msg from netlink_rcv_skb+0xd0/0x1f8\n netlink_rcv_skb from genl_rcv+0x2c/0x3c\n genl_rcv from netlink_unicast+0x3b0/0x550\n netlink_unicast from netlink_sendmsg+0x368/0x688\n netlink_sendmsg from ____sys_sendmsg+0x190/0x430\n ____sys_sendmsg from ___sys_sendmsg+0x110/0x158\n ___sys_sendmsg from sys_sendmsg+0xe8/0x150\n sys_sendmsg from ret_fast_syscall+0x0/0x1c\n\nThis warning is emitted because in the connect path, when trying to parse\ntarget BSS parameters, we dereference a RCU pointer whithout being in RCU\ncritical section.\nFix RCU dereference usage by moving it to a RCU read critical section. To\navoid wrapping the whole wilc_parse_join_bss_param under the critical\nsection, just use the critical section to copy ies data",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.83",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-27053"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e556006de4ea93abe2b46cba202a2556c544b8b2"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/b4bbf38c350acb6500cbe667b1e2e68f896e4b38"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/d80fc436751cfa6b02a8eda74eb6cce7dadfe5a2"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/745003b5917b610352f52fe0d11ef658d6471ec2"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/4bfd20d5f5c62b5495d6c0016ee6933bd3add7ce"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/5800ec78775c0cd646f71eb9bf8402fb794807de"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/dd50d3ead6e3707bb0a5df7cc832730c93ace3a7"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/205c50306acf58a335eb19fa84e40140f4fe814f"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T11:52:36Z"
  }
}
