{"id":"CVE-2026-92495","title":"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 …","summary":"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 …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= ea222485788208cd79bad42d25aae9232b33a934 < 5361fb1e5bc246f9a2c0721543f72c8dac200769","Linux >= ea222485788208cd79bad42d25aae9232b33a934 < 13e7861809ef9e7e720ff5f0af1d4293a6d0a9b4","Linux >= ea222485788208cd79bad42d25aae9232b33a934 < 0afbfe019c881483337d9f8304e678af05ebe7cc","Linux >= ea222485788208cd79bad42d25aae9232b33a934 < 518df61b9b0a5b288dfa72c87246045329c18b8c","Linux >= ea222485788208cd79bad42d25aae9232b33a934 < 9b66c9af7172ffcf727214fa0ebe9a5e1ed6eb16","Linux 6.6"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:17:51.670","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92495","references":[{"url":"https://git.kernel.org/stable/c/0afbfe019c881483337d9f8304e678af05ebe7cc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/13e7861809ef9e7e720ff5f0af1d4293a6d0a9b4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/518df61b9b0a5b288dfa72c87246045329c18b8c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5361fb1e5bc246f9a2c0721543f72c8dac200769","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9b66c9af7172ffcf727214fa0ebe9a5e1ed6eb16","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.784Z","epss":0.0021,"epssPercentile":0.11467,"slug":"CVE-2026-92495","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}