{"id":"CVE-2026-89977","title":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ethosu: check MMIO mapping errors in probe\n\ndevm_platform_ioremap_resource() returns an error pointer when the register\nresource cannot be mapped","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ethosu: check MMIO mapping errors in probe\n\ndevm_platform_ioremap_resource() returns an error pointer when the register\nresource cannot be mapped. ethosu_probe() …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b < f7aad73b481194e3f0efba9688e9a5914bbd036b","Linux >= 5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b < 7ab64476a610fe65858fdc37c7a30caa13e334ac","Linux 6.19"],"published":"2026-09-16","updated":"2026-09-16","sourceUpdated":"2026-09-16T11:17:08.560","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89977","references":[{"url":"https://git.kernel.org/stable/c/7ab64476a610fe65858fdc37c7a30caa13e334ac","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f7aad73b481194e3f0efba9688e9a5914bbd036b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-16T10:53:53.952Z","epss":0.00189,"epssPercentile":0.08791,"slug":"CVE-2026-89977","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\naccel/ethosu: check MMIO mapping errors in probe\n\ndevm_platform_ioremap_resource() returns an error pointer when the register\nresource cannot be mapped. ethosu_probe() stores it and continues until\ninitialization dereferences it through MMIO accessors.\n\nReturn the mapping error before initializing the device.\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":[]}