Hash: SHA512

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