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CVE PROGRAM SOURCE RECORDUnscored

CVE-2022-50236

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

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Status
Published
Published
Updated
Assigning organization
Linux

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 ]

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 0df4fabe208d9576f2671d31e77cf46d20fdcd01 to < f13acee780cedb3e06a6dadf64d9104cccd2b9fcaffected
  • 0df4fabe208d9576f2671d31e77cf46d20fdcd01 to < 85cc8a187f2de7a91e2cea522e9406fa12999269affected
  • 0df4fabe208d9576f2671d31e77cf46d20fdcd01 to < 00ef8885a945c37551547d8ac8361cacd20c4e42affected

Linux Linux

Default version status: affected

  • 4.6affected
  • 0 to < 4.6unaffected
  • 6.0.17 to ≤ 6.0.*unaffected
  • 6.1.3 to ≤ 6.1.*unaffected
  • 6.2 to ≤ *unaffected

References