{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "ea222485788208cd79bad42d25aae9232b33a934"
            },
            {
              "fixed": "5361fb1e5bc246f9a2c0721543f72c8dac200769"
            },
            {
              "fixed": "13e7861809ef9e7e720ff5f0af1d4293a6d0a9b4"
            },
            {
              "fixed": "0afbfe019c881483337d9f8304e678af05ebe7cc"
            },
            {
              "fixed": "518df61b9b0a5b288dfa72c87246045329c18b8c"
            },
            {
              "fixed": "9b66c9af7172ffcf727214fa0ebe9a5e1ed6eb16"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.6.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92495.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/bnxt_re: Clear VM_MAYWRITE on DBR/toggle page mmap\n\nbnxt_re_mmap() rejects VM_WRITE for the DBR_PAGE and TOGGLE_PAGE mmap\nflags, but a read-only mapping can still retain VM_MAYWRITE. nd later\nbe upgraded with mprotect(PROT_WRITE). This can bypass the write check\nthat only runs at mmap time.\n\nClear VM_MAYWRITE before vm_insert_page() in the shared DBR/toggle-page\nbranch, matching the existing policy that userspace writes are not\nexpected for these pages.",
  "id": "CVE-2026-92495",
  "modified": "2026-09-19T03:30:55.696009521Z",
  "published": "2026-09-17T16:10:10.747Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0afbfe019c881483337d9f8304e678af05ebe7cc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/13e7861809ef9e7e720ff5f0af1d4293a6d0a9b4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/518df61b9b0a5b288dfa72c87246045329c18b8c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5361fb1e5bc246f9a2c0721543f72c8dac200769"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9b66c9af7172ffcf727214fa0ebe9a5e1ed6eb16"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92495.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-92495"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "RDMA/bnxt_re: Clear VM_MAYWRITE on DBR/toggle page mmap"
}