{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-93149",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2026-93149"
  ],
  "published": "2026-09-17T16:10:40Z",
  "summary": "wifi: mac80211_hwsim: avoid NULL skb in stop queue drain",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211_hwsim: avoid NULL skb in stop queue drain\n\nmac80211_hwsim_stop() drops any frames left in data->pending. The loop\ncurrently checks skb_queue_empty() and then dequeues separately.\n\nThat split is racy with TX status handling, which can remove a pending\nframe under the queue lock. If the last entry is removed after the empty\ncheck, skb_dequeue() returns NULL and the stop path passes that NULL skb\nto ieee80211_free_txskb().\n\nUse skb_dequeue() as the loop condition instead. The dequeue result is the\nobject that stop owns and frees, and a concurrent status completion that\nempties the queue simply makes the loop terminate.",
  "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": "6.1.188",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-93149"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/d131027054a8dd922dda01fe8d381abe5af4970b"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c40ba47f2ba1951cb32ea048667ed014d36a5749"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/2817431a61557f46dc63077b7cc126bc906c242e"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e7fccad2c8e6ef6bbafe509c95869d161d0f466b"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/1c2a4ab6efa26415dd131b8c222e7893fda03435"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/158438cd6ad69d6dd7d871582c38baf22169fede"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-09-17T16:10:40Z"
  }
}