{"id":"CVE-2026-90271","title":"In the Linux kernel, the following vulnerability has been resolved:\n\narm_mpam: Fix a NULL pointer dereference on unbinding after an error interrupt\n\nIf a user unbinds an MSC after mpam_disable() has been run in response\nto an error inter…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\narm_mpam: Fix a NULL pointer dereference on unbinding after an error interrupt\n\nIf a user unbinds an MSC after mpam_disable() has been run in response\nto an error inter…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= f04046f2577a5c76167333ca99d3903ee5331ba0 < a29044c9c83513c7463de2adb84c169685562ad2","Linux >= f04046f2577a5c76167333ca99d3903ee5331ba0 < fc996c39689bb15aa80e5366809434f7258fb703","Linux 6.19"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:17:23.677","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90271","references":[{"url":"https://git.kernel.org/stable/c/a29044c9c83513c7463de2adb84c169685562ad2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fc996c39689bb15aa80e5366809434f7258fb703","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.837Z","epss":0.00198,"epssPercentile":0.08484,"slug":"CVE-2026-90271","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\narm_mpam: Fix a NULL pointer dereference on unbinding after an error interrupt\n\nIf a user unbinds an MSC after mpam_disable() has been run in response\nto an error interrupt then a dereference of a NULL pointer occurs as\nmpam_disable() sets the drvdata to NULL. Add an early return to the driver\nremove callback to avoid this.\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":[]}