Debian Long Term Support / LTS Security Information / 2017 / Security Information -- DLA-783-1 xen

Debian Security Advisory

DLA-783-1 xen -- LTS security update

Date Reported:

13 Jan 2017

Affected Packages:

xen

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2016-10013, CVE-2016-10024.

More information:

Multiple vulnerabilities have been discovered in the Xen hypervisor. The Common Vulnerabilities and Exposures project identifies the following problems:

• CVE-2016-10013 (xsa-204)

  Xen mishandles SYSCALL singlestep during emulation which can lead to privilege escalation. The vulnerability is only exposed to 64-bit x86 HVM guests.

• CVE-2016-10024 (xsa-202)

  PV guests may be able to mask interrupts causing a Denial of Service.

For Debian 7 Wheezy, these problems have been fixed in version 4.1.6.lts1-5.

We recommend that you upgrade your xen packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS