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Test ID:
Category:SuSE Local Security Checks
Title:SUSE: Security Advisory (SUSE-SU-2021:2922-1)
Summary:The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2021:2922-1 advisory.
The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2021:2922-1 advisory.

Vulnerability Insight:
This update for xen fixes the following issues:

Update to Xen 4.13.3 general bug fix release (bsc#1027519).

Security issues fixed:

CVE-2021-28693: xen/arm: Boot modules are not scrubbed (bsc#1186428)

CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection /
handling (bsc#1186429)

CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433)

CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after
S3 (bsc#1186434)

CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: IOMMU page mapping issues
on x86 (XSA-378)(bsc#1189373).

CVE-2021-28697: grant table v2 status pages may remain accessible after
de-allocation (XSA-379)(bsc#1189376).

CVE-2021-28698: long running loops in grant table handling

CVE-2021-28699: inadequate grant-v2 status frames array bounds check

CVE-2021-28700: No memory limit for dom0less domUs

Other issues fixed:

Fixed 'Panic on CPU 0: IO-APIC + timer doesn't work!' (bsc#1180491)

Fixed an issue with xencommons, where file format expecations by fillup
did not align (bsc#1185682)

Fixed shell macro expansion in the spec file, so that ExecStart= in
xendomains-wait-disks.service is created correctly (bsc#1183877)

Upstream bug fixes (bsc#1027519)

Fixed Xen SLES11SP4 guest hangs on cluster (bsc#1188050).

xl monitoring process exits during xl save -p-c keep the monitoring
process running to cleanup the domU during shutdown (bsc#1176189).

Dom0 hangs when pinning CPUs for dom0 with HVM guest (bsc#1179246).

Prevent superpage allocation in the LAPIC and ACPI_INFO range

Affected Software/OS:
'xen' package(s) on SUSE Linux Enterprise Module for Basesystem 15-SP2, SUSE Linux Enterprise Module for Server Applications 15-SP2, SUSE MicroOS 5.0.

Please install the updated package(s).

CVSS Score:

CVSS Vector:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-0089
Debian Security Information: DSA-4931 (Google Search)
CopyrightCopyright (C) 2021 Greenbone Networks GmbH

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