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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 ]

PUBLISHED Reserved 2025-06-18 | Published 2025-09-15 | Updated 2025-09-16 | Assigner Linux

Product status

Default status
unaffected

0df4fabe208d9576f2671d31e77cf46d20fdcd01 (git) before f13acee780cedb3e06a6dadf64d9104cccd2b9fc
affected

0df4fabe208d9576f2671d31e77cf46d20fdcd01 (git) before 85cc8a187f2de7a91e2cea522e9406fa12999269
affected

0df4fabe208d9576f2671d31e77cf46d20fdcd01 (git) before 00ef8885a945c37551547d8ac8361cacd20c4e42
affected

Default status
affected

4.6
affected

Any version before 4.6
unaffected

6.0.17 (semver)
unaffected

6.1.3 (semver)
unaffected

6.2 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/f13acee780cedb3e06a6dadf64d9104cccd2b9fc

git.kernel.org/...c/85cc8a187f2de7a91e2cea522e9406fa12999269

git.kernel.org/...c/00ef8885a945c37551547d8ac8361cacd20c4e42

cve.org (CVE-2022-50236)

nvd.nist.gov (CVE-2022-50236)

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