fkie_cve-2024-27053
Vulnerability from fkie_nvd
Published
2024-05-01 13:15
Modified
2025-04-08 19:43
Severity ?
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Summary
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+ #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+ #333 Hardware name: Atmel SAMA5 unwind_backtrace from show_stack+0x18/0x1c show_stack from dump_stack_lvl+0x34/0x48 dump_stack_lvl from wilc_parse_join_bss_param+0x7dc/0x7f4 wilc_parse_join_bss_param from connect+0x2c4/0x648 connect from cfg80211_connect+0x30c/0xb74 cfg80211_connect from nl80211_connect+0x860/0xa94 nl80211_connect from genl_rcv_msg+0x3fc/0x59c genl_rcv_msg from netlink_rcv_skb+0xd0/0x1f8 netlink_rcv_skb from genl_rcv+0x2c/0x3c genl_rcv from netlink_unicast+0x3b0/0x550 netlink_unicast from netlink_sendmsg+0x368/0x688 netlink_sendmsg from ____sys_sendmsg+0x190/0x430 ____sys_sendmsg from ___sys_sendmsg+0x110/0x158 ___sys_sendmsg from sys_sendmsg+0xe8/0x150 sys_sendmsg from ret_fast_syscall+0x0/0x1c 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
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/205c50306acf58a335eb19fa84e40140f4fe814fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4bfd20d5f5c62b5495d6c0016ee6933bd3add7cePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5800ec78775c0cd646f71eb9bf8402fb794807dePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/745003b5917b610352f52fe0d11ef658d6471ec2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b4bbf38c350acb6500cbe667b1e2e68f896e4b38Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d80fc436751cfa6b02a8eda74eb6cce7dadfe5a2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dd50d3ead6e3707bb0a5df7cc832730c93ace3a7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e556006de4ea93abe2b46cba202a2556c544b8b2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/205c50306acf58a335eb19fa84e40140f4fe814fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4bfd20d5f5c62b5495d6c0016ee6933bd3add7cePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/5800ec78775c0cd646f71eb9bf8402fb794807dePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/745003b5917b610352f52fe0d11ef658d6471ec2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b4bbf38c350acb6500cbe667b1e2e68f896e4b38Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d80fc436751cfa6b02a8eda74eb6cce7dadfe5a2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/dd50d3ead6e3707bb0a5df7cc832730c93ace3a7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e556006de4ea93abe2b46cba202a2556c544b8b2Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlMailing List, Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
debian debian_linux 10.0


To clipboard 

{
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: wifi: wilc1000: corrige el uso de RCU en la ruta de conexi\u00f3n Con lockdep habilitado, las llamadas a la funci\u00f3n de conexi\u00f3n desde la capa cfg802.11 generan la siguiente advertencia: ======== ====================== ADVERTENCIA: uso sospechoso de RCU 6.7.0-rc1-wt+ #333 No contaminado ------------- ---------------- drivers/net/wireless/microchip/wilc1000/hif.c:386 \u00a1uso sospechoso de rcu_dereference_check()! [...] pila backtrace: CPU: 0 PID: 100 Comm: wpa_supplicant No est\u00e1 contaminado 6.7.0-rc1-wt+ #333 Nombre de hardware: Atmel SAMA5 unwind_backtrace from show_stack+0x18/0x1c show_stack from dump_stack_lvl+0x34/0x48 dump_stack_lvl from wilc_parse_join_bss_para m +0x7dc/0x7f4 wilc_parse_join_bss_param desde connect+0x2c4/0x648 conectar desde cfg80211_connect+0x30c/0xb74 cfg80211_connect desde nl80211_connect+0x860/0xa94 nl80211_connect desde genl_rcv_msg+0x3fc /0x59c genl_rcv_msg de netlink_rcv_skb+0xd0/0x1f8 netlink_rcv_skb de genl_rcv+0x2c/0x3c genl_rcv de netlink_unicast+ 0x3b0/0x550 netlink_unicast de netlink_sendmsg+0x368/0x688 netlink_sendmsg de ____sys_sendmsg+0x190/0x430 ____sys_sendmsg de ___sys_sendmsg+0x110/0x158 ___sys_sendmsg de sys_sendmsg +0xe8/0x150 sys_sendmsg de ret_fast_syscall+0x0/0x1c Esta advertencia se emite porque en la ruta de conexi\u00f3n, al intentar Para analizar los par\u00e1metros BSS de destino, eliminamos la referencia a un puntero de RCU sin estar en la secci\u00f3n cr\u00edtica de RCU. Corrija el uso de desreferenciaci\u00f3n de RCU movi\u00e9ndolo a una secci\u00f3n cr\u00edtica de lectura de RCU. Para evitar incluir todo el wilc_parse_join_bss_param en la secci\u00f3n cr\u00edtica, simplemente use la secci\u00f3n cr\u00edtica para copiar datos de ies"
    }
  ],
  "id": "CVE-2024-27053",
  "lastModified": "2025-04-08T19:43:15.420",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2024-05-01T13:15:50.223",
  "references": [
    {
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      "tags": [
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        "Third Party Advisory"
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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