50 matches found
EUVD-2013-6200
Malware in sbrugna...
Linux Distros Unpatched Vulnerability : CVE-2018-19965
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service host OS crash because GP0 can occur after a...
PT-2025-46652
Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to SMP ordering within the switch mm irqs off function. Specifically, a missing memory barrier smp mb between storing the loaded memory manageme...
PT-2024-36863 · Linux +2 · Linux Kernel +2
Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.10.0-rc5 Description: A soft lockup issue has been identified in the Linux kernel when compiling kernel source with an up-and-running KASAN-enabled kernel on a 256-core machine. The issue occurs due to excessi...
CVE-2024-35980
A vulnerability affecting the Linux kernel on ARM64 systems, specifically in its KVM Kernel-based Virtual Machine module during live migration was found. An issue in the TLB Translation Lookaside Buffer invalidation process causes incomplete flushing of entries due to a miscalculated operand. Thi...
CVE-2024-35980 arm64: tlb: Fix TLBI RANGE operand
In the Linux kernel, the following vulnerability has been resolved: arm64: tlb: Fix TLBI RANGE operand KVM/arm64 relies on TLBI RANGE feature to flush TLBs when the dirty pages are collected by VMM and the page table entries become write protected during live migration. Unfortunately, the operand...
CVE-2023-34326 x86/AMD: missing IOMMU TLB flushing
The caching invalidation guidelines from the AMD-Vi specification 48882—Rev 3.07-PUB—Oct 2022 is incorrect on some hardware, as devices will malfunction see stale DMA mappings if some fields of the DTE are updated but the IOMMU TLB is not flushed. Such stale DMA mappings can point to memory range...
SUSE-SU-2023:4476-1 Security update for xen
This update for xen fixes the following issues: - CVE-2023-20588: AMD CPU transitional execution leak via division by zero XSA-439 bsc1215474. - CVE-2023-34322: top-level shadow reference dropped too early for 64-bit PV guests XSA-438 bsc1215145. - CVE-2023-34325: Multiple vulnerabilities in...
SUSE SLED15 / SLES15 / openSUSE 15 Security Update : xen (SUSE-SU-2023:4476-1)
The remote openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:4476-1 advisory. - A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality. CVE-2023-20588 - arm3...
Fedora 39 : xen (2023-de338d9f37)
The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-de338d9f37 advisory. xenstored: A transaction conflict can crash C Xenstored XSA-440, CVE-2023-34323 x86/AMD: missing IOMMU TLB flushing XSA-442, CVE-2023-34326 Multiple...
Fedora 37 : xen (2023-881672fdab)
The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-881672fdab advisory. xenstored: A transaction conflict can crash C Xenstored XSA-440, CVE-2023-34323 x86/AMD: missing IOMMU TLB flushing XSA-442, CVE-2023-34326 Multiple...
SUSE-SU-2023:4054-1 Security update for xen
This update for xen fixes the following issues: - CVE-2023-34323: A transaction conflict can crash C Xenstored XSA-440, bsc1215744 - CVE-2023-34326: Missing IOMMU TLB flushing XSA-442, bsc1215746 - CVE-2023-34325: Multiple vulnerabilities in libfsimage disk handling XSA-443, bsc1215747 -...
Xen: missing IOMMU TLB flushing (XSA-442)
The caching invalidation guidelines from the AMD-Vi specification 48882âRev 3.07-PUBâOct 2022 is incorrect on some hardware, as devices will malfunction see stale DMA mappings if some fields of the DTE are updated but the IOMMU TLB is not flushed. Such stale DMA mappings can point to memory...
TLB Poisoning Attacks on AMD Secure Encrypted Virtualization (SEV)
Bulletin ID: AMD-SB-1023 Potential Impact: Loss of Integrity, Confidentiality and Availability Summary A malicious hypervisor HV along with an unprivileged process controlled by an attacker and executing in a guest VM, may maliciously control the process of flushing the Translation Lookaside Buff...
SUSE: Security Advisory (SUSE-SU-2019:13921-1)
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...
SUSE: Security Advisory (SUSE-SU-2019:0825-1)
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...
SUSE: Security Advisory (SUSE-SU-2018:4070-1)
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...
insufficient cache write-back under VT-d
ISSUE DESCRIPTION When page tables are shared between IOMMU and CPU, changes to them require flushing of both TLBs. Furthermore, IOMMUs may be non-coherent, and hence prior to flushing IOMMU TLBs CPU cached also needs writing back to memory after changes were made. Such writing back of cached dat...
Fedora 30 : xen (2019-53b0dc52ee)
xen: various flaws 1685577 grant table transfer issues on large hosts XSA-284 race with pass-through device hotplug XSA-285 x86: stealpage violates pagestruct access discipline XSA-287 x86: Inconsistent PV IOMMU discipline XSA-288 missing preemption in x86 PV page table unvalidation XSA-290 x86/P...
SUSE SLES12 Security Update : xen (SUSE-SU-2019:0827-1)
This update for xen fixes the following issues : Security issues fixed : CVE-2019-6778: Fixed a heap buffer overflow in tcpemu found in slirp bsc1123157. CVE-2017-13672: Fixed an out of bounds read access during display update bsc1056336. Fixed an issue which could allow malicious or buggy guests...