Privilege Escalation

xen is vulnerable to privilege escalation. The vulnerability exists through a data leak caused by an AMD IOMMU page-table entry that can be half-updated...

Xen mishandle IOMMU TLB flushes DoS (XSA-346)

A denial of service DoS vulnerability exists in Xen x86 HVM and PVH guest OS users due to mishandled coalesce per-page IOMMU TLB flushes. A guest OS user might be able to cause denial of service data corruption, data leak, or possibly gain privileges. Note that Nessus has not tested for this issu...

SUSE SLES12 Security Update : xen (SUSE-SU-2020:3742-1)

This update for xen fixes the following issues : bsc1178963 - stack corruption from XSA-346 change XSA-355 bsc1177409 - CVE-2020-27674: x86 PV guest INVLPG-like flushes may leave stale TLB entries XSA-286 bsc1177412 - CVE-2020-27672: Race condition in Xen mapping code XSA-345 bsc1177413 -...

SUSE-SU-2020:3742-1 Security update for xen

This update for xen fixes the following issues: - bsc1178963 - stack corruption from XSA-346 change XSA-355 - bsc1177409 - CVE-2020-27674: x86 PV guest INVLPG-like flushes may leave stale TLB entries XSA-286 - bsc1177412 - CVE-2020-27672: Race condition in Xen mapping code XSA-345 - bsc1177413 -...

SUSE-SU-2020:14557-1 Security update for xen

This update for xen fixes the following issues: - bsc1178963 - stack corruption from XSA-346 change XSA-355 - bsc1178935 - CVE-2020-25723: assertion failure through usbpacketunmap in hw/usb/hcd-ehci.c - bsc1177409 - CVE-2020-27674: x86 PV guest INVLPG-like flushes may leave stale TLB entries...

Fedora 31 : xen (2020-6dd36a716c)

revised patch for XSA-286 mitigating performance impact ---- x86 PV guest INVLPG-like flushes may leave stale TLB entries XSA-286, CVE-2020-27674 1891092 ---- x86: Race condition in Xen mapping code XSA-345 undue deferral of IOMMU TLB flushes XSA-346 unsafe AMD IOMMU page table updates XSA-347 No...

Unbreakable Enterprise kernel-container security update

4.14.35-2025.402.2.1.el7 - powercap: restrict energy meter to root access Kanth Ghatraju Orabug: 32040805 CVE-2020-8694 CVE-2020-8695 4.14.35-2025.402.2.el7 - ocfs2: fix remounting needed after setfacl command Gang He - Fix multiple variable definition with syzkaller Hans Westgaard Ry Orabug:...

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...

openSUSE: Security Advisory for xen (openSUSE-SU-2020:1783-1)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...

OPENSUSE-SU-2020:1783-1 Security update for xen

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...

Fedora 32 : xen (2020-e3d619cc32)

x86: Race condition in Xen mapping code XSA-345 undue deferral of IOMMU TLB flushes XSA-346 unsafe AMD IOMMU page table updates XSA-347 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to...

SUSE-SU-2020:3051-1 Security update for xen

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...

SUSE-SU-2020:3049-1 Security update for xen

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...

CVE-2020-27670

A flaw was found in Xen in the AMD IOMMU page table updates. This flaw allows a malicious guest to cause a denial of service, host data corruption, or potential privilege escalation. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability...

CVE-2020-27670

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service data corruption, cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated...

CVE-2020-27671

An issue was discovered in Xen through 4.14.x allowing x86 HVM and PVH guest OS users to cause a denial of service data corruption, cause a data leak, or possibly gain privileges because coalescing of per-page IOMMU TLB flushes is mishandled...

CVE-2020-27671

An issue was discovered in Xen through 4.14.x allowing x86 HVM and PVH guest OS users to cause a denial of service data corruption, cause a data leak, or possibly gain privileges because coalescing of per-page IOMMU TLB flushes is mishandled...

CVE-2020-27670

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service data corruption, cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated...

DEBIAN-CVE-2020-27670

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service data corruption, cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated...

Design/Logic Flaw

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service data corruption, cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated...