{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-46047",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2026-46047"
  ],
  "published": "2026-05-27T12:59:23Z",
  "summary": "net: qrtr: ns: Fix use-after-free in driver remove()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qrtr: ns: Fix use-after-free in driver remove()\n\nIn the remove callback, if a packet arrives after destroy_workqueue() is\ncalled, but before sock_release(), the qrtr_ns_data_ready() callback will\ntry to queue the work, causing use-after-free issue.\n\nFix this issue by saving the default 'sk_data_ready' callback during\nqrtr_ns_init() and use it to replace the qrtr_ns_data_ready() callback at\nthe start of remove(). This ensures that even if a packet arrives after\ndestroy_workqueue(), the work struct will not be dereferenced.\n\nNote that it is also required to ensure that the RX threads are completed\nbefore destroying the workqueue, because the threads could be using the\nqrtr_ns_data_ready() callback.",
  "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": "6.1.175",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-46047"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/65168712c216584ff482a7d1a67589f2079b2634"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/dff081c3602f2fd810f69ef47945a226980dd05d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/4ae0bd51bf7079e9c2a06b5de0ae04ba70d10167"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/0f313eb6a8f6dffa491373cf3afab979fa1c02f4"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/db3c60ec772de30acae92d560dfcc5258e58dbe8"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/2e127ceb1c415e246076d8e09e23e443a7a2038f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f96779e916576e81430ebb326baff6e433fef8ae"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/7809fea20c9404bfcfa6112ec08d1fe1d3520beb"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-06-15T02:03:26Z"
  }
}