Overview
About vulnerability
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 ]
Details
- Affected product:
- AlmaLinux 9.2 ESU , CentOS 8.4 ELS , CentOS 8.5 ELS , CentOS Stream 8 ELS , Oracle Linux 7 ELS , TuxCare 9.6 ESU , Ubuntu 16.04 ELS , Ubuntu 18.04 ELS , Ubuntu 20.04 ELS
- Affected packages:
- kernel @ 4.18.0 (+8 more)
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 ]