cve-2023-52832
Vulnerability from cvelistv5
Published
2024-05-21 15:31
Modified
2024-11-04 14:53
Severity ?
Summary
wifi: mac80211: don't return unset power in ieee80211_get_tx_power()
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website


{
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            "defaultStatus": "unknown",
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            "versions": [
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              "attackVector": "NETWORK",
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              "baseScore": 9.1,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
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              "userInteraction": "NONE",
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              "version": "3.1"
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                "options": [
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                  },
                  {
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                "role": "CISA Coordinator",
                "timestamp": "2024-05-21T19:51:54.630981Z",
                "version": "2.0.3"
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                "description": "CWE-920 Improper Restriction of Power Consumption",
                "lang": "en",
                "type": "CWE"
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          "product": "Linux",
          "programFiles": [
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          ],
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              "version": "4.14.331",
              "versionType": "semver"
            },
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              "version": "4.19.300",
              "versionType": "semver"
            },
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              "version": "5.4.262",
              "versionType": "semver"
            },
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              "versionType": "semver"
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              "version": "6.7",
              "versionType": "original_commit_for_fix"
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        {
          "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."
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        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/e160ab85166e77347d0cbe5149045cb25e83937f"
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      "title": "wifi: mac80211: don\u0027t return unset power in ieee80211_get_tx_power()",
      "x_generator": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52832",
    "datePublished": "2024-05-21T15:31:34.247Z",
    "dateReserved": "2024-05-21T15:19:24.252Z",
    "dateUpdated": "2024-11-04T14:53:29.175Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.1",
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  }
}


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