Debian Security Advisory
DLA-1181-1 xen -- LTS security update
- Date Reported:
- 20 Nov 2017
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2017-15588, CVE-2017-15589, CVE-2017-15592, CVE-2017-15593, CVE-2017-15595.
- More information:
Multiple vulnerabilities have been discovered in the Xen hypervisor:
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.
Roger Pau Monné discovered a hypervisor stack leak in the x86 I/O intercept code, resulting in information leaks.
Andrew Cooper discovered that incorrect handling of self-linear shadow mappings for translated guests might result in denial of service or privilege escalation.
Jan Beulich discovered that page type reference counts are mishandled which may result in denial of service.
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