{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-23063",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2026-23063"
  ],
  "published": "2026-02-04T16:18:56Z",
  "summary": "uacce: ensure safe queue release with state management",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nuacce: ensure safe queue release with state management\n\nDirectly calling `put_queue` carries risks since it cannot\nguarantee that resources of `uacce_queue` have been fully released\nbeforehand. So adding a `stop_queue` operation for the\nUACCE_CMD_PUT_Q command and leaving the `put_queue` operation to\nthe final resource release ensures safety.\n\nQueue states are defined as follows:\n- UACCE_Q_ZOMBIE: Initial state\n- UACCE_Q_INIT: After opening `uacce`\n- UACCE_Q_STARTED: After `start` is issued via `ioctl`\n\nWhen executing `poweroff -f` in virt while accelerator are still\nworking, `uacce_fops_release` and `uacce_remove` may execute\nconcurrently. This can cause `uacce_put_queue` within\n`uacce_fops_release` to access a NULL `ops` pointer. Therefore, add\nstate checks to prevent accessing freed pointers.",
  "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": "6.1.162",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23063"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/b457abeb5d962db88aaf60e249402fd3073dbfab"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/8b57bf1d3b1db692f34bce694a03e41be79f6016"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/336fb41a186e7c0415ae94fec9e23d1f04b87483"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/43f233eb6e7b9d88536881a9bc43726d0e34800d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/47634d70073890c9c37e39ab4ff93d4b585b028a"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/92e4f11e29b98ef424ff72d6371acac03e5d973c"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/26c08dabe5475d99a13f353d8dd70e518de45663"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}