CVE-2026-31735

A flaw was found in the Linux kernel's Input/Output Memory Management Unit IOMMU page table handling. When an unmap operation partially overlaps with a large memory mapping, the system's invalidation process may not correctly flush the entire unmapped range. This could result in a 'short...

CVE-2023-20582

Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry PTE faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity...

CVE-2022-48904 iommu/amd: Fix I/O page table memory leak

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix I/O page table memory leak The current logic updates the I/O page table mode for the domain before calling the logic to free memory used for the page table. This results in IOMMU page table memory leak, and can be...

SUSE-SU-2023:4945-1 Security update for xen

This update for xen fixes the following issues: - CVE-2023-46836: Fixed BTC/SRSO fixes not fully effective bsc1216807. - CVE-2023-46835: Fixed mismatch in IOMMU quarantine page table levels on x86/AMD bsc1216654. Update to Xen 4.17.3 bug fix release bsc1027519...

PT-2023-7266 · Xen +2 · Xen +2

Name of the Vulnerable Software and Affected Versions: Xen affected versions not specified Description: The issue arises from a mismatch in the IOMMU quarantine page table levels. On systems with no RAM above the 512GB mark, only 3 page-table levels are configured in the IOMMU, while the quaranti...

SUSE: Security Advisory (SUSE-SU-2020:3088-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

openSUSE Security Update : xen (openSUSE-2020-1844)

This update for xen fixes the following issues : - bsc1177409 - VUL-0: CVE-2020-27673: xen: x86 PV guest INVLPG-like flushes may leave stale TLB entries XSA-286 - bsc1177412 - VUL-0: CVE-2020-27672: xen: Race condition in Xen mapping code XSA-345 - bsc1177413 - VUL-0: CVE-2020-27671: xen: undue...