{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-98354",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2026-98354"
  ],
  "published": "2026-10-06T08:47:10Z",
  "summary": "RDMA/mad: Fix receive buffer leak when PKey enforcement fails",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mad: Fix receive buffer leak when PKey enforcement fails\n\nib_mad_complete_recv() initializes mad_recv_wc->rmpp_list and then runs\nib_mad_enforce_security() before linking recv_buf onto that list.  On\nfailure it calls ib_free_recv_mad(), which only walks rmpp_list and frees\nthe ib_mad_private of every buffer found there.  As the list is still\nempty at that point, nothing is freed at all.\n\nThe caller cannot clean up either: ib_mad_recv_done() sets recv to NULL\nright after ib_mad_complete_recv() returns, assuming the MAD layer took\nownership of the buffer.  Every MAD that fails the PKey check therefore\nleaks one ib_mad_private (about 300 bytes per IB port MAD, ~2K for OPA),\nand a remote node can trigger this repeatedly by sending MADs with a\nwrong PKey.\n\nLink recv_buf onto rmpp_list right after the list is initialized, so the\nerror path has something to free.",
  "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": "6.1.189",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-98354"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/4617c9a856188674dddb0ca66979746d07688579"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/8e2036fb47a5b152d53eadbd35abf311bd34cc7f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/bad289e42f512646a988f278f536d21547df73f1"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/752b30e9d339008e5ce7eed412e9446078916129"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/39c4ea72a40503e102ae07e6776005f96ca078a6"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/5091e25ec503f7fc02723ca435226467b68caac7"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c0d8df85db146d6275e226cb950023be69dd6c77"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/3476c28c9addfa253f505e6bd87f1f5598b961d0"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-10-06T08:47:10Z"
  }
}