CVE Database›Document archive›CVE-2022-50236

CVE-2022-50236

kernel: iommu/mediatek: Fix crash on isr after kexec()

Loading…

Severity

Unknown

Red Hat Product Security

—

CVSS

Review impact separately from score.

Published · September 15, 2025

Updated · June 30, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

iommu/mediatek: Fix crash on isr after kexec()

If the system is rebooted via isr(), the IRQ handler might be triggered before the domain is initialized. Resulting on an invalid memory access error.

Fix: [ 0.500930] Unable to handle kernel read from unreadable memory at virtual address 0000000000000070 [ 0.501166] Call trace: [ 0.501174] report_iommu_fault+0x28/0xfc [ 0.501180] mtk_iommu_isr+0x10c/0x1c0

[ joro: Fixed spelling in commit message ]

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE not specified