{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-21914",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-21914"
  ],
  "published": "2025-04-01T15:40:16Z",
  "summary": "slimbus: messaging: Free transaction ID in delayed interrupt scenario",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nslimbus: messaging: Free transaction ID in delayed interrupt scenario\n\nIn case of interrupt delay for any reason, slim_do_transfer()\nreturns timeout error but the transaction ID (TID) is not freed.\nThis results into invalid memory access inside\nqcom_slim_ngd_rx_msgq_cb() due to invalid TID.\n\nFix the issue by freeing the TID in slim_do_transfer() before\nreturning timeout error to avoid invalid memory access.\n\nCall trace:\n__memcpy_fromio+0x20/0x190\nqcom_slim_ngd_rx_msgq_cb+0x130/0x290 [slim_qcom_ngd_ctrl]\nvchan_complete+0x2a0/0x4a0\ntasklet_action_common+0x274/0x700\ntasklet_action+0x28/0x3c\n_stext+0x188/0x620\nrun_ksoftirqd+0x34/0x74\nsmpboot_thread_fn+0x1d8/0x464\nkthread+0x178/0x238\nret_from_fork+0x10/0x20\nCode: aa0003e8 91000429 f100044a 3940002b (3800150b)\n---[ end trace 0fe00bec2b975c99 ]---\nKernel panic - not syncing: Oops: Fatal exception in interrupt.",
  "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": "6.1.131",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-21914"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/cec8c0ac173fe5321f03fdb1a09a9cb69bc9a9fe"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/a32e5198a9134772eb03f7b72a7849094c55bda9"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/09d34c4cbc38485c7514069f25348e439555b282"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/18ae4cee05c310c299ba75d7477dcf34be67aa16"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/faac8e894014e8167471a8e4a5eb35a8fefbb82a"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6abf3d8bb51cbaf886c3f08109a0462890b10db6"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/0c541c8f6da23e0b92f0a6216d899659a7572074"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/dcb0d43ba8eb9517e70b1a0e4b0ae0ab657a0e5a"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T12:19:11Z"
  }
}