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Test ID:
Category:SuSE Local Security Checks
Title:SuSE Update for xen openSUSE-SU-2017:2821-1 (xen)
Summary:Check the version of xen
Check the version of xen

Vulnerability Insight:

This update for xen fixes several issues:

These security issues were fixed:

- CVE-2017-5526: The ES1370 audio device emulation support was vulnerable
to a memory leakage issue allowing a privileged user inside the guest to
cause a DoS and/or potentially crash the Qemu process on the host
- CVE-2017-15593: Missing cleanup in the page type system allowed a
malicious or buggy PV guest to cause DoS (XSA-242 bsc#1061084)
- CVE-2017-15592: A problem in the shadow pagetable code allowed a
malicious or buggy HVM guest to cause DoS or cause hypervisor memory
corruption potentially allowing the guest to escalate its privilege
(XSA-243 bsc#1061086)
- CVE-2017-15594: Problematic handling of the selector fields in the
Interrupt Descriptor Table (IDT) allowed a malicious or buggy x86 PV
guest to escalate its privileges or cause DoS (XSA-244 bsc#1061087)
- CVE-2017-15591: Missing checks in the handling of DMOPs allowed
malicious or buggy stub domain kernels or tool stacks otherwise living
outside of Domain0 to cause a DoS (XSA-238 bsc#1061077)
- CVE-2017-15589: Intercepted I/O write operations with less than a full
machine word's worth of data were not properly handled, which allowed a
malicious unprivileged x86 HVM guest to obtain sensitive information
from the host or
other guests (XSA-239 bsc#1061080)
- CVE-2017-15595: In certain configurations of linear page tables a stack
overflow might have occured that allowed a malicious or buggy PV guest
to cause DoS and potentially privilege escalation and information leaks
(XSA-240 bsc#1061081)
- CVE-2017-15588: Under certain conditions x86 PV guests could have caused
the hypervisor to miss a necessary TLB flush for a page. This allowed a
malicious x86 PV guest to access all of system memory, allowing for
privilege escalation, DoS, and information leaks (XSA-241 bsc#1061082)
- CVE-2017-15590: Multiple issues existed with the setup of PCI MSI
interrupts that allowed a malicious or buggy guest to cause DoS and
potentially privilege escalation and information leaks (XSA-237
- bsc#1055321: When dealing with the grant map space of add-to-physmap
operations, ARM specific code failed to release a lock. This allowed a
malicious guest administrator to cause DoS (XSA-235)

This update was imported from the SUSE:SLE-12-SP3:Update update project.

Affected Software/OS:
xen on openSUSE Leap 42.3

Please Install the Updated Packages.

CVSS Score:

CVSS Vector:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2017-5526
BugTraq ID: 95669
CopyrightCopyright (C) 2017 Greenbone Networks GmbH

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