Xen Paging Tables Race Condition (XSA-328)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by an issue allowing Intel guest OS users to gain privileges or cause a denial of service because of non-atomic modification of a live EPT PTE. When mapping guest EPT nested paging tables, X...

SUSE-SU-2020:14521-1 Security update for xen

This update for xen fixes the following issues: - CVE-2020-0543: Fixed a leak of Special Register Buffer Data Sampling SRBDS aka 'CrossTalk' bsc1172205,XSA-320 - CVE-2020-14364: Fixed an out-of-bounds read/write access while processing usb packets bsc1175534. - CVE-2020-15565: Fixed an issue cach...

Privilege Escalation

xen is vulnerable to privilege escalation. A guest OS user is able to gain privileges or crash the host OS due to non-atomic modification of a live EPT PTE...

openSUSE Security Update : xen (openSUSE-2020-985)

This update for xen fixes the following issues : - CVE-2020-15563: Fixed inverted code paths in x86 dirty VRAM tracking bsc1173377. - CVE-2020-15565: Fixed insufficient cache write-back under VT-d bsc1173378. - CVE-2020-15566: Fixed incorrect error handling in event channel port allocation...

openSUSE: Security Advisory for xen (openSUSE-SU-2020:0985-1)

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...

Security update for xen (important)

openSUSE Security Update: Security update for xen Announcement ID: openSUSE-SU-2020:0985-1 Rating: important References: 1027519 1172205 1173376 1173377 1173378 1173380 Cross-References: CVE-2020-0543 CVE-2020-15563 CVE-2020-15565 CVE-2020-15566 CVE-2020-15567 Affected Products: openSUSE Leap 15....

Fedora 32 : xen (2020-fbc13516af)

incorrect error handling in event channel port allocation leads to DoS XSA-317, CVE-2020-15566 1854465 inverted code paths in x86 dirty VRAM tracking leads to DoS XSA-319, CVE-2020-15563 1854463 xen: insufficient cache write-back under VT-d leads to DoS XSA-321, CVE-2020-15565 1854467 missing...

SUSE SLED15 / SLES15 Security Update : xen (SUSE-SU-2020:1902-1)

This update for xen fixes the following issues : CVE-2020-15563: Fixed inverted code paths in x86 dirty VRAM tracking bsc1173377. CVE-2020-15565: Fixed insufficient cache write-back under VT-d bsc1173378. CVE-2020-15566: Fixed incorrect error handling in event channel port allocation bsc1173376...

SUSE SLES12 Security Update : xen (SUSE-SU-2020:1886-1)

This update for xen fixes the following issues : CVE-2020-15563: Fixed inverted code paths in x86 dirty VRAM tracking bsc1173377. CVE-2020-15565: Fixed insufficient cache write-back under VT-d bsc1173378. CVE-2020-15567: Fixed non-atomic modification of live EPT PTE bsc1173380. Note that Tenable...

SUSE SLED15 / SLES15 Security Update : xen (SUSE-SU-2020:1889-1)

This update for xen fixes the following issues : CVE-2020-15563: Fixed inverted code paths in x86 dirty VRAM tracking bsc1173377. CVE-2020-15565: Fixed insufficient cache write-back under VT-d bsc1173378. CVE-2020-15566: Fixed incorrect error handling in event channel port allocation bsc1173376...

Design/Logic Flaw

An issue was discovered in Xen through 4.13.x, allowing Intel guest OS users to gain privileges or cause a denial of service because of non-atomic modification of a live EPT PTE. When mapping guest EPT nested paging tables, Xen would in some circumstances use a series of non-atomic bitfield write...

CVE-2020-15567

An issue was discovered in Xen through 4.13.x, allowing Intel guest OS users to gain privileges or cause a denial of service because of non-atomic modification of a live EPT PTE. When mapping guest EPT nested paging tables, Xen would in some circumstances use a series of non-atomic bitfield write...

CVE-2020-15567

An issue was discovered in Xen through 4.13.x, allowing Intel guest OS users to gain privileges or cause a denial of service because of non-atomic modification of a live EPT PTE. When mapping guest EPT nested paging tables, Xen would in some circumstances use a series of non-atomic bitfield write...

PT-2020-14497

Name of the Vulnerable Software and Affected Versions Xen versions prior to 4.14 Description An issue was discovered in Xen, allowing Intel guest OS users to gain privileges or cause a denial of service because of non-atomic modification of a live EPT PTE. When mapping guest EPT tables, Xen would...