CVE-2022-50236

MEDIUM

Linux Kernel 4.6-6.0.16, 6.1.0-6.1.2, 6.2+ - Use of Uninitialized Resource in IOMMU Mediatek ISR Handler

Title source: llm
STIX 2.1

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 ]

Scores

CVSS v3 5.5
EPSS 0.0014
EPSS Percentile 3.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-908
Status published
Products (11)
linux/Kernel 4.6.0 - 6.0.17linux
linux/Kernel 6.1.0 - 6.1.3linux
Linux/Linux < 4.6
Linux/Linux 0df4fabe208d9576f2671d31e77cf46d20fdcd01 - 00ef8885a945c37551547d8ac8361cacd20c4e42
Linux/Linux 0df4fabe208d9576f2671d31e77cf46d20fdcd01 - 85cc8a187f2de7a91e2cea522e9406fa12999269
Linux/Linux 0df4fabe208d9576f2671d31e77cf46d20fdcd01 - f13acee780cedb3e06a6dadf64d9104cccd2b9fc
Linux/Linux 4.6
Linux/Linux 6.0.17 - 6.0.*
Linux/Linux 6.1.3 - 6.1.*
Linux/Linux 6.2
... and 1 more
Published Sep 15, 2025
Tracked Since Feb 18, 2026