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Test ID:1.3.6.1.4.1.25623.1.0.854131
Category:SuSE Local Security Checks
Title:openSUSE: Security Advisory for xen (openSUSE-SU-2021:2923-1)
Summary:The remote host is missing an update for the 'xen'; package(s) announced via the openSUSE-SU-2021:2923-1 advisory.
Description:Summary:
The remote host is missing an update for the 'xen'
package(s) announced via the openSUSE-SU-2021:2923-1 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
(XSA-380)(bsc#1189378).

- CVE-2021-28699: inadequate grant-v2 status frames array bounds check
(XSA-382)(bsc#1189380).

- CVE-2021-28700: No memory limit for dom0less domUs
(XSA-383)(bsc#1189381).

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).

- Some long deprecated commands were finally removed in qemu6. Adjust
libxl to use supported commands (bsc#1183243).

- Update logrotate.conf, move global options into per-file sections to
prevent globbering of global state (bsc#1187406).

- Prevent superpage allocation in the LAPIC and ACPI_INFO range
(bsc#1189882).

Affected Software/OS:
'xen' package(s) on openSUSE Leap 15.3.

Solution:
Please install the updated package(s).

CVSS Score:
6.8

CVSS Vector:
AV:N/AC:L/Au:S/C:N/I:N/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-0089
Debian Security Information: DSA-4931 (Google Search)
https://www.debian.org/security/2021/dsa-4931
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/
https://security.gentoo.org/glsa/202107-30
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.html
http://www.openwall.com/lists/oss-security/2021/06/10/10
http://www.openwall.com/lists/oss-security/2021/06/10/11
http://www.openwall.com/lists/oss-security/2021/06/10/1
CopyrightCopyright (C) 2021 Greenbone Networks GmbH

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