CVE-2024-31145 error handling in x86 IOMMU identity mapping

Certain PCI devices in a system might be assigned Reserved Memory Regions specified via Reserved Memory Region Reporting, "RMRR" for Intel VT-d or Unity Mapping ranges for AMD-Vi. These are typically used for platform tasks such as legacy USB emulation. Since the precise purpose of these regions ...

CVE-2024-31145

CVE-2024-31145 is confirmed in connected advisories as a Xen/Xen-related vulnerability affecting the x86 IOMMU identity mapping for PCI devices using Reserved Memory Regions (RMRR) or similar mappings. The flaw allows a guest VM to retain access to memory regions that should be removed, enabling ...

error handling in x86 IOMMU identity mapping

ISSUE DESCRIPTION Certain PCI devices in a system might be assigned Reserved Memory Regions specified via Reserved Memory Region Reporting, "RMRR" for Intel VT-d or Unity Mapping ranges for AMD-Vi. These are typically used for platform tasks such as legacy USB emulation. Since the precise purpose...

kernel: iommu/vt-d: Clean up si_domain in the init_dmars() error path

A memory leak flaw was found in the Linux kernel's Intel VT-d IOMMU driver in the initialization error path. A local user can trigger this issue when the initdmars function fails during IOMMU setup, causing the sidomain memory to remain allocated without being freed. This results in a permanent...

SUSE CVE-2020-24489

Incomplete cleanup in some IntelR VT-d products may allow an authenticated user to potentially enable escalation of privilege via local access...

Multiple race conditions due to TOCTOU flaws in various UEFI Implementations

Overview Multiple Unified Extensible Firmware Interface UEFI implementations are vulnerable to code execution in System Management Mode SMM by an attacker who gains administrative privileges on the local machine. An attacker can corrupt the memory using Direct Memory Access DMA timing attacks tha...

CVE-2022-26358

IOMMU: RMRR VT-d and unity map AMD-Vi handling issues This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Certain PCI devices in a system might be assigned Reserved Memory Regions specified via Reserved Memory Region...

CVE-2022-26360

IOMMU: RMRR VT-d and unity map AMD-Vi handling issues This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Certain PCI devices in a system might be assigned Reserved Memory Regions specified via Reserved Memory Region...

CVE-2022-26359

IOMMU: RMRR VT-d and unity map AMD-Vi handling issues This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Certain PCI devices in a system might be assigned Reserved Memory Regions specified via Reserved Memory Region...

CVE-2022-26360

IOMMU: RMRR VT-d and unity map AMD-Vi handling issues This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Certain PCI devices in a system might be assigned Reserved Memory Regions specified via Reserved Memory Region...

CVE-2022-26361

IOMMU: RMRR VT-d and unity map AMD-Vi handling issues This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Certain PCI devices in a system might be assigned Reserved Memory Regions specified via Reserved Memory Region...

Memory corruption

IOMMU: RMRR VT-d and unity map AMD-Vi handling issues This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Certain PCI devices in a system might be assigned Reserved Memory Regions specified via Reserved Memory Region...

Memory corruption

IOMMU: RMRR VT-d and unity map AMD-Vi handling issues This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Certain PCI devices in a system might be assigned Reserved Memory Regions specified via Reserved Memory Region...

CVE-2022-26358

IOMMU: RMRR VT-d and unity map AMD-Vi handling issues This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Certain PCI devices in a system might be assigned Reserved Memory Regions specified via Reserved Memory Region...

CVE-2022-26359

IOMMU: RMRR VT-d and unity map AMD-Vi handling issues This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Certain PCI devices in a system might be assigned Reserved Memory Regions specified via Reserved Memory Region...

NewStart CGSL CORE 5.04 / MAIN 5.04 : microcode_ctl Multiple Vulnerabilities (NS-SA-2021-0113)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has microcodectl packages installed that are affected by multiple vulnerabilities: - Incomplete cleanup in some IntelR VT-d products may allow an authenticated user to potentially enable escalation of privilege via local access...

openSUSE 15 Security Update : ucode-intel (openSUSE-SU-2021:1933-1)

The remote SUSE Linux SUSE15 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:1933-1 advisory. - Incomplete cleanup in some IntelR VT-d products may allow an authenticated user to potentially enable escalation of privilege via local...

Security update for ucode-intel (important)

openSUSE Security Update: Security update for ucode-intel Announcement ID: openSUSE-SU-2021:1933-1 Rating: important References: 1179833 1179836 1179837 1179839 Cross-References: CVE-2020-24489 CVE-2020-24511 CVE-2020-24512 CVE-2020-24513 CVSS scores: CVE-2020-24489 NVD : 8.8...

CVE-2021-24489

A potential security vulnerability in some Intel® Virtualization Technology for Directed I/0 VT-d products may allow escalation of privilege. Bugs Notes Author| Note ---|--- mdeslaur | INTEL-SA-00442...

Privilege Escalation

microcode is vulnerable to privilege escalation. Incomplete cleanup in some IntelR VT-d products allows an authenticated user to obtain additional privileges via local access...