{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-68229",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-68229"
  ],
  "published": "2025-12-16T13:58:31Z",
  "summary": "scsi: target: tcm_loop: Fix segfault in tcm_loop_tpg_address_show()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: tcm_loop: Fix segfault in tcm_loop_tpg_address_show()\n\nIf the allocation of tl_hba->sh fails in tcm_loop_driver_probe() and we\nattempt to dereference it in tcm_loop_tpg_address_show() we will get a\nsegfault, see below for an example. So, check tl_hba->sh before\ndereferencing it.\n\n  Unable to allocate struct scsi_host\n  BUG: kernel NULL pointer dereference, address: 0000000000000194\n  #PF: supervisor read access in kernel mode\n  #PF: error_code(0x0000) - not-present page\n  PGD 0 P4D 0\n  Oops: 0000 [#1] PREEMPT SMP NOPTI\n  CPU: 1 PID: 8356 Comm: tokio-runtime-w Not tainted 6.6.104.2-4.azl3 #1\n  Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.1 09/28/2024\n  RIP: 0010:tcm_loop_tpg_address_show+0x2e/0x50 [tcm_loop]\n...\n  Call Trace:\n   <TASK>\n   configfs_read_iter+0x12d/0x1d0 [configfs]\n   vfs_read+0x1b5/0x300\n   ksys_read+0x6f/0xf0\n...",
  "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": "6.1.159",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-68229"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/63f511d3855f7f4b35dd63dbc58fc3d935a81268"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/3d8c517f6eb27e47b1a198e05f8023038329b40b"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f449a1edd7a13bb025aaf9342ea6f8bf92684bbf"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/1c9ba455b5073253ceaadae4859546e38e8261fe"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/a6ef60898ddaf1414592ce3e5b0d94276d631663"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/72e8831079266749a7023618a0de2f289a9dced6"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/13aff3b8a7184281b134698704d6c06863a8361b"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e6965188f84a7883e6a0d3448e86b0cf29b24dfc"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}