{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-71068",
  "modified": "2026-10-09T11:39:44Z",
  "upstream": [
    "CVE-2025-71068"
  ],
  "published": "2026-01-13T15:31:45Z",
  "summary": "svcrdma: bound check rq_pages index in inline path",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsvcrdma: bound check rq_pages index in inline path\n\nsvc_rdma_copy_inline_range indexed rqstp->rq_pages[rc_curpage] without\nverifying rc_curpage stays within the allocated page array. Add guards\nbefore the first use and after advancing to a new page.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "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": null,
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-71068"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/a22316f5e9a29e4b92030bd8fb9435fe0eb1d5c9"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/7ba826aae1d43212f3baa53a2175ad949e21926e"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/5f140b525180c628db8fa6c897f138194a2de417"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/da1ccfc4c452541584a4eae89e337cfa21be6d5a"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/d1bea0ce35b6095544ee82bb54156fc62c067e58"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T12:19:11Z",
    "severity": {
      "source": "kernel CNA",
      "cvss_v3_score": 9.8,
      "cvss_v3_severity": "Critical",
      "scenario": "AV:N - An unauthenticated RPC-over-RDMA peer can reach this through an enabled NFS/RDMA listener over routable iWARP or RoCE networks.\nAC:L - Crafted Read-chunk positions and lengths deterministically exhaust rq_pages; the fault can occur before RDMA operations are posted or remote keys are validated.\nPR:N - The vulnerable copy occurs while decoding and assembling the transport message, before svc_process() performs RPC or NFS authentication.\nUI:N - Sending the malicious RPC-over-RDMA message directly triggers the vulnerable path without victim action.\nS:U - The vulnerable NFS/RDMA service and the affected kernel resources belong to the same security authority.\nC:H - The unchecked index is interpreted as a struct page pointer, while oversized inline ranges can also read beyond the receive buffer; successful exploitation can expose arbitrary kernel memory.\nI:H - Attacker-selected bytes are passed to memcpy with a destination derived from the unchecked page pointer, creating a potentially controlled kernel-memory write and control-flow-hijacking primitive.\nA:H - The guaranteed invalid or NULL page-pointer path can produce a kernel fault, oops, or panic, and an unauthenticated peer can trigger it repeatedly."
    }
  }
}
