{"id":"CVE-2022-50236","summary":"iommu/mediatek: Fix crash on isr after kexec()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/mediatek: Fix crash on isr after kexec()\n\nIf the system is rebooted via isr(), the IRQ handler might\nbe triggered before the domain is initialized. Resulting on\nan invalid memory access error.\n\nFix:\n[    0.500930] Unable to handle kernel read from unreadable memory at virtual address 0000000000000070\n[    0.501166] Call trace:\n[    0.501174]  report_iommu_fault+0x28/0xfc\n[    0.501180]  mtk_iommu_isr+0x10c/0x1c0\n\n[ joro: Fixed spelling in commit message ]","modified":"2026-04-02T08:28:20.904885Z","published":"2025-09-15T14:01:42.983Z","related":["SUSE-SU-2025:4189-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50236.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/00ef8885a945c37551547d8ac8361cacd20c4e42"},{"type":"WEB","url":"https://git.kernel.org/stable/c/85cc8a187f2de7a91e2cea522e9406fa12999269"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f13acee780cedb3e06a6dadf64d9104cccd2b9fc"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50236.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50236"},{"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":"0df4fabe208d9576f2671d31e77cf46d20fdcd01"},{"fixed":"f13acee780cedb3e06a6dadf64d9104cccd2b9fc"},{"fixed":"85cc8a187f2de7a91e2cea522e9406fa12999269"},{"fixed":"00ef8885a945c37551547d8ac8361cacd20c4e42"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50236.json"}}],"schema_version":"1.7.5"}