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 ]

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

No data.

No data.

References
Link Providers
https://git.kernel.org/stable/c/00ef8885a945c37551547d8ac8361cacd20c4e42 cve-icon cve-icon
https://git.kernel.org/stable/c/85cc8a187f2de7a91e2cea522e9406fa12999269 cve-icon cve-icon
https://git.kernel.org/stable/c/f13acee780cedb3e06a6dadf64d9104cccd2b9fc cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025091547-CVE-2022-50236-dc41@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2022-50236 cve-icon
https://www.cve.org/CVERecord?id=CVE-2022-50236 cve-icon
History

Wed, 17 Sep 2025 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Vendors & Products Linux
Linux linux Kernel

Tue, 16 Sep 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

Mon, 15 Sep 2025 14:15:00 +0000

Type Values Removed Values Added
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 ]
Title iommu/mediatek: Fix crash on isr after kexec()
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-09-15T14:01:42.983Z

Updated: 2025-09-16T08:02:00.873Z

Reserved: 2025-06-18T10:57:27.433Z

Link: CVE-2022-50236

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-09-15T14:15:34.003

Modified: 2025-09-15T15:21:42.937

Link: CVE-2022-50236

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-09-15T00:00:00Z

Links: CVE-2022-50236 - Bugzilla