{"id":"CVE-2026-93076","title":"In the Linux kernel, the following vulnerability has been resolved:\n\ndax/fsdev: clear vmemmap_shift when binding static pgmap\n\nClear pgmap->vmemmap_shift for static DAX devices","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndax/fsdev: clear vmemmap_shift when binding static pgmap\n\nClear pgmap->vmemmap_shift for static DAX devices. When rebinding a static\ndevice from device_dax (which may s…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= d5406bd458b0ac10b1301a4d5801d85c8f648637 < d298a0513aaf7d48f2a9f4a90041de910750cfcf","Linux >= d5406bd458b0ac10b1301a4d5801d85c8f648637 < e0239229931faf9ca3367e3befcf16f77b2cd45b","Linux 7.1"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:18:01.540","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93076","references":[{"url":"https://git.kernel.org/stable/c/d298a0513aaf7d48f2a9f4a90041de910750cfcf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e0239229931faf9ca3367e3befcf16f77b2cd45b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.763Z","epss":0.00155,"epssPercentile":0.05098,"slug":"CVE-2026-93076","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndax/fsdev: clear vmemmap_shift when binding static pgmap\n\nClear pgmap->vmemmap_shift for static DAX devices. When rebinding a static\ndevice from device_dax (which may set vmemmap_shift based on alignment) to\nfsdev_dax, the stale vmemmap_shift persists on the shared pgmap. Explicitly\nzero it before devm_memremap_pages() so the vmemmap is built for order-0\nfolios as fsdev requires.\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":[]}