[SECURITY] [DLA 1181-1] xen security update
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Package : xen
Version : 4.1.6.lts1-10
CVE ID : CVE-2017-15588 CVE-2017-15589 CVE-2017-15592 CVE-2017-15593
CVE-2017-15595
Multiple vulnerabilities have been discovered in the Xen hypervisor:
CVE-2017-15588
Jann Horn discovered a race condition that can cause a stale TLB
entry which might result in privilege escalation, denial of
service or information leak.
CVE-2017-15589
Roger Pau Monné discovered a hypervisor stack leak in the x86 I/O
intercept code, resulting in information leaks.
CVE-2017-15592
Andrew Cooper discovered that incorrect handling of self-linear
shadow mappings for translated guests might result in denial
of service or privilege escalation.
CVE-2017-15593
Jan Beulich discovered that page type reference counts are
mishandled which may result in denial of service.
CVE-2017-15595
Jann Horn discovered that crafted page-table stacking might result
in denial of service, privilege escalation or information leaks.
For Debian 7 "Wheezy", these problems have been fixed in version
4.1.6.lts1-10.
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
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