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Test ID:1.3.6.1.4.1.25623.1.1.4.2020.2790.1
Category:SuSE Local Security Checks
Title:SUSE: Security Advisory (SUSE-SU-2020:2790-1)
Summary:The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2020:2790-1 advisory.
Description:Summary:
The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2020:2790-1 advisory.

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

CVE-2020-25602: Fixed an issue where there was a crash when handling
guest access to MSR_MISC_ENABLE was thrown (bsc#1176339,XSA-333)

CVE-2020-25598: Added a missing unlock in XENMEM_acquire_resource error
path (bsc#1176341,XSA-334)

CVE-2020-25604: Fixed a race condition when migrating timers between x86
HVM vCPU-s (bsc#1176343,XSA-336)

CVE-2020-25595: Fixed an issue where PCI passthrough code was reading
back hardware registers (bsc#1176344,XSA-337)

CVE-2020-25597: Fixed an issue where a valid event channels may not turn
invalid (bsc#1176346,XSA-338)

CVE-2020-25596: Fixed a potential denial of service in x86 pv guest
kernel via SYSENTER (bsc#1176345,XSA-339)

CVE-2020-25603: Fixed an issue due to missing barriers when
accessing/allocating an event channel (bsc#1176347,XSA-340)

CVE-2020-25600: Fixed out of bounds event channels available to 32-bit
x86 domains (bsc#1176348,XSA-342)

CVE-2020-25599: Fixed race conditions with evtchn_reset()
(bsc#1176349,XSA-343)

CVE-2020-25601: Fixed an issue due to lack of preemption in
evtchn_reset() / evtchn_destroy() (bsc#1176350,XSA-344)

Various bug fixes (bsc#1027519)

Affected Software/OS:
'xen' package(s) on SUSE Linux Enterprise Module for Server Applications 15-SP1, SUSE Linux Enterprise Module for Basesystem 15-SP1

Solution:
Please install the updated package(s).

CVSS Score:
6.1

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-25595
Common Vulnerability Exposure (CVE) ID: CVE-2020-25596
Common Vulnerability Exposure (CVE) ID: CVE-2020-25597
Common Vulnerability Exposure (CVE) ID: CVE-2020-25598
Common Vulnerability Exposure (CVE) ID: CVE-2020-25599
Common Vulnerability Exposure (CVE) ID: CVE-2020-25600
Common Vulnerability Exposure (CVE) ID: CVE-2020-25601
Common Vulnerability Exposure (CVE) ID: CVE-2020-25602
Common Vulnerability Exposure (CVE) ID: CVE-2020-25603
Common Vulnerability Exposure (CVE) ID: CVE-2020-25604
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