{"id":"CVE-2026-89977","summary":"accel/ethosu: check MMIO mapping errors in probe","details":"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() stores it and continues until\ninitialization dereferences it through MMIO accessors.\n\nReturn the mapping error before initializing the device.","modified":"2026-09-18T03:48:34.508743335Z","published":"2026-09-16T10:32:55.212Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89977.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/7ab64476a610fe65858fdc37c7a30caa13e334ac"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f7aad73b481194e3f0efba9688e9a5914bbd036b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89977.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89977"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b"},{"fixed":"f7aad73b481194e3f0efba9688e9a5914bbd036b"},{"fixed":"7ab64476a610fe65858fdc37c7a30caa13e334ac"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89977.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89977.json"}}],"schema_version":"1.9.0"}