FKIE_CVE-2023-52832

Vulnerability from fkie_nvd - Published: 2024-05-21 16:15 - Updated: 2026-06-17 06:43
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: mac80211: don't return unset power in ieee80211_get_tx_power() We can get a UBSAN warning if ieee80211_get_tx_power() returns the INT_MIN value mac80211 internally uses for "unset power level". UBSAN: signed-integer-overflow in net/wireless/nl80211.c:3816:5 -2147483648 * 100 cannot be represented in type 'int' CPU: 0 PID: 20433 Comm: insmod Tainted: G WC OE Call Trace: dump_stack+0x74/0x92 ubsan_epilogue+0x9/0x50 handle_overflow+0x8d/0xd0 __ubsan_handle_mul_overflow+0xe/0x10 nl80211_send_iface+0x688/0x6b0 [cfg80211] [...] cfg80211_register_wdev+0x78/0xb0 [cfg80211] cfg80211_netdev_notifier_call+0x200/0x620 [cfg80211] [...] ieee80211_if_add+0x60e/0x8f0 [mac80211] ieee80211_register_hw+0xda5/0x1170 [mac80211] In this case, simply return an error instead, to indicate that no data is available.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/21a0f310a9f3bfd2b4cf4f382430e638607db846Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2be24c47ac19bf639c48c082486c08888bd603c6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5a94cffe90e20e8fade0b9abd4370bd671fe87c7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/717de20abdcd1d4993fa450e28b8086a352620eaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/adc2474d823fe81d8da759207f4f1d3691aa775aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e160ab85166e77347d0cbe5149045cb25e83937fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1571120c44dbe5757aee1612c5b6097cdc42710fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/21a0f310a9f3bfd2b4cf4f382430e638607db846Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/298e767362cade639b7121ecb3cc5345b6529f62Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2be24c47ac19bf639c48c082486c08888bd603c6Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/5a94cffe90e20e8fade0b9abd4370bd671fe87c7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/717de20abdcd1d4993fa450e28b8086a352620eaPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/adc2474d823fe81d8da759207f4f1d3691aa775aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e160ab85166e77347d0cbe5149045cb25e83937fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/efeae5f4972f75d50002bc50eb112ab9e7069b18Patch
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 *
linux linux_kernel *
To clipboard 

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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: don\u0027t return unset power in ieee80211_get_tx_power()\n\nWe can get a UBSAN warning if ieee80211_get_tx_power() returns the\nINT_MIN value mac80211 internally uses for \"unset power level\".\n\n UBSAN: signed-integer-overflow in net/wireless/nl80211.c:3816:5\n -2147483648 * 100 cannot be represented in type \u0027int\u0027\n CPU: 0 PID: 20433 Comm: insmod Tainted: G        WC OE\n Call Trace:\n  dump_stack+0x74/0x92\n  ubsan_epilogue+0x9/0x50\n  handle_overflow+0x8d/0xd0\n  __ubsan_handle_mul_overflow+0xe/0x10\n  nl80211_send_iface+0x688/0x6b0 [cfg80211]\n  [...]\n  cfg80211_register_wdev+0x78/0xb0 [cfg80211]\n  cfg80211_netdev_notifier_call+0x200/0x620 [cfg80211]\n  [...]\n  ieee80211_if_add+0x60e/0x8f0 [mac80211]\n  ieee80211_register_hw+0xda5/0x1170 [mac80211]\n\nIn this case, simply return an error instead, to indicate\nthat no data is available."
    },
    {
      "lang": "es",
      "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: mac80211: no devolver energ\u00eda no configurada en ieee80211_get_tx_power(). Podemos obtener una advertencia de UBSAN si ieee80211_get_tx_power() devuelve el valor INT_MIN que mac80211 usa internamente para \"nivel de energ\u00eda no configurada\". UBSAN: desbordamiento de entero con signo en net/wireless/nl80211.c:3816:5 -2147483648 * 100 no se puede representar en el tipo \u0027int\u0027 CPU: 0 PID: 20433 Comm: insmod Contaminado: G WC OE Call Trace: dump_stack+ 0x74/0x92 ubsan_epilogue+0x9/0x50 handle_overflow+0x8d/0xd0 __ubsan_handle_mul_overflow+0xe/0x10 nl80211_send_iface+0x688/0x6b0 [cfg80211] [...] cfg80211_register_wdev+0x78/0xb0 cfg80211] cfg80211_netdev_notifier_call+0x200/0x620 [cfg80211] [.. .] ieee80211_if_add+0x60e/0x8f0 [mac80211] ieee80211_register_hw+0xda5/0x1170 [mac80211] En este caso, simplemente devuelva un error para indicar que no hay datos disponibles."
    }
  ],
  "id": "CVE-2023-52832",
  "lastModified": "2026-06-17T06:43:41.067",
  "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"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-52832",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-05-21T19:51:54.630981Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-05-21T16:15:20.813",
  "references": [
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      "tags": [
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      "url": "https://git.kernel.org/stable/c/efeae5f4972f75d50002bc50eb112ab9e7069b18"
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  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-920"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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