VMCI: check context->notify_page after call to get_user_pages_fast() to avoid GPF

{
  "id": "7070de0527e686c5e466855484ea6bd5064e4da2f68e3d87e2d4d264cc50c005",
  "url": "https://osv.dev/vulnerability/CVE-2023-53259",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "VMCI: check context->notify_page after call to get_user_pages_fast() to avoid GPF",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: VMCI: check context->notify_page after call to get_user_pages_fast() to avoid GPF The call to get_user_pages_fast() in vmci_host_setup_notify() can return NULL context->notify_page causing a GPF. To avoid GPF check if context->notify_page == NULL and return error if so. general protection fault, probably for non-canonical address 0xe0009d1000000060: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0x0005088000000300- 0x0005088000000307] CPU: 2 PID: 26180 Comm: repro_34802241 Not tainted 6.1.0-rc4 #1 Hardware name: Red Hat KVM, BIOS 1.15.0-2.module+el8.6.0 04/01/2014 RIP: 0010:vmci_ctx_check_signal_notify+0x91/0xe0 Call Trace: vmci_host_unlocked_ioctl+0x362/0x1f40 __x64_sys_ioctl+0x1a1/0x230 do_syscall_64+0x3a/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd",
    "evidence": "osv:CVE-2023-53259",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.4.296",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.240",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.99",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.16",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.2.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-53259",
      "aliases": [
        "CVE-2023-53259"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "a1d88436d53a75e950db15834b3d2f8c0c358fdc"
                },
                {
                  "fixed": "b4239bfb260d1e6837766c41a0b241d7670f1402"
                },
                {
                  "fixed": "d4198f67e7556b1507f14f60d81a72660e5560e4"
                },
                {
                  "fixed": "a3c89e8c69a58f62451c0a75b77fcab25979b897"
                },
                {
                  "fixed": "055891397f530f9b1b22be38d7eca8b08382941f"
                },
                {
                  "fixed": "91b8e4f61f8f4594ee65368c8d89e6fdc29d3fb1"
                },
                {
                  "fixed": "1a726cb47fd204109c767409fa9ca15a96328f14"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53259.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.0.0"
                },
                {
                  "fixed": "5.4.296"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
                },
                {
                  "fixed": "5.10.240"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.99"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.16"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.2.3"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53259.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:45.987279516Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/055891397f530f9b1b22be38d7eca8b08382941f",
        "https://git.kernel.org/stable/c/1a726cb47fd204109c767409fa9ca15a96328f14",
        "https://git.kernel.org/stable/c/91b8e4f61f8f4594ee65368c8d89e6fdc29d3fb1",
        "https://git.kernel.org/stable/c/a3c89e8c69a58f62451c0a75b77fcab25979b897",
        "https://git.kernel.org/stable/c/b4239bfb260d1e6837766c41a0b241d7670f1402",
        "https://git.kernel.org/stable/c/d4198f67e7556b1507f14f60d81a72660e5560e4",
        "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53259.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53259",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53259.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-53259",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 513994,
  "published_at": "2025-09-15T14:46:30.955+00:00"
}