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openSUSE 42.2: 2017:0005-1 Critical Xen Security Flaws, DoS Risks

opensuse
Calendar Grey January 2, 2017
Dist Opensuse Esm H88
Important openSUSE patch resolves major vulnerabilities in Xen hypervisor, offering comprehensive solutions and guidance for protecting your system's security.
An update that fixes four vulnerabilities is now available

Description

This update for xen fixes the following issues:

- A Mishandling of SYSCALL singlestep during emulation which could have

lead to privilege escalation. (XSA-204, bsc#1016340, CVE-2016-10013)

- CMPXCHG8B emulation failed to ignore operand size override which could

have lead to information disclosure. (XSA-200, bsc#1012651,

CVE-2016-9932)

- PV guests may have been able to mask interrupts causing a Denial of

Service. (XSA-202, bsc#1014298, CVE-2016-10024)

- A missing NULL pointer check in VMFUNC emulation could lead to a

hypervisor crash leading to a Denial of Servce. (XSA-203, bsc#1014300,

CVE-2016-10025)

This update was imported from the SUSE:SLE-12-SP2:Update update project.

Topics%20covered

Topics Covered

security advisory patch important Denial of Service security issues xen openSUSE

Patch

Patch Instructions:

To install this openSUSE Security Update use YaST online_update.

Alternatively you can run the command listed for your product:

- openSUSE Leap 42.2:

zypper in -t patch openSUSE-2017-2=1

To bring your system up-to-date, use "zypper patch".

Package List

- openSUSE Leap 42.2 (i586 x86_64):

xen-debugsource-4.7.1_04-6.1

xen-devel-4.7.1_04-6.1

xen-libs-4.7.1_04-6.1

xen-libs-debuginfo-4.7.1_04-6.1

xen-tools-domU-4.7.1_04-6.1

xen-tools-domU-debuginfo-4.7.1_04-6.1

- openSUSE Leap 42.2 (x86_64):

xen-4.7.1_04-6.1

xen-doc-html-4.7.1_04-6.1

xen-libs-32bit-4.7.1_04-6.1

xen-libs-debuginfo-32bit-4.7.1_04-6.1

xen-tools-4.7.1_04-6.1

xen-tools-debuginfo-4.7.1_04-6.1

References

https://www.suse.com/security/cve/CVE-2016-10013.html

https://www.suse.com/security/cve/CVE-2016-10024.html

https://www.suse.com/security/cve/CVE-2016-10025.html

https://www.suse.com/security/cve/CVE-2016-9932.html

https://bugzilla.suse.com/show_bug.cgi?id=1012651

https://bugzilla.suse.com/show_bug.cgi?id=1014298

https://bugzilla.suse.com/show_bug.cgi?id=1014300

https://bugzilla.suse.com/show_bug.cgi?id=1016340

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2017:0005-1
Rating: important
Affected Products: openSUSE Leap 42.2 .

Topics%20covered

Topics Covered

security advisory patch important Denial of Service security issues xen openSUSE

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