{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-22072",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-22072"
  ],
  "published": "2025-04-16T14:14:59Z",
  "summary": "spufs: fix gang directory lifetimes",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nspufs: fix gang directory lifetimes\n\nprior to \"[POWERPC] spufs: Fix gang destroy leaks\" we used to have\na problem with gang lifetimes - creation of a gang returns opened\ngang directory, which normally gets removed when that gets closed,\nbut if somebody has created a context belonging to that gang and\nkept it alive until the gang got closed, removal failed and we\nended up with a leak.\n\nUnfortunately, it had been fixed the wrong way.  Dentry of gang\ndirectory was no longer pinned, and rmdir on close was gone.\nOne problem was that failure of open kept calling simple_rmdir()\nas cleanup, which meant an unbalanced dput().  Another bug was\nin the success case - gang creation incremented link count on\nroot directory, but that was no longer undone when gang got\ndestroyed.\n\nFix consists of\n\t* reverting the commit in question\n\t* adding a counter to gang, protected by ->i_rwsem\nof gang directory inode.\n\t* having it set to 1 at creation time, dropped\nin both spufs_dir_close() and spufs_gang_close() and bumped\nin spufs_create_context(), provided that it's not 0.\n\t* using simple_recursive_removal() to take the gang\ndirectory out when counter reaches zero.",
  "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": "6.1.134",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-22072"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/880e7b3da2e765c1f90c94c0539be039e96c7062"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/324f280806aab28ef757aecc18df419676c10ef8"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/029d8c711f5e5fe8cf63e8a4a1a140a06e224e45"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/903733782f3ae28a2f7fe4dfb47c7fe3e079a528"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/fc646a6c6d14b5d581f162a7e32999f789e3a3ac"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c134deabf4784e155d360744d4a6a835b9de4dd4"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T12:19:11Z"
  }
}