Debian Security Advisory
DSA-3390-1 xen -- security update
- Date Reported:
- 02 Nov 2015
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2015-7835.
- More information:
It was discovered that the code to validate level 2 page table entries is bypassed when certain conditions are satisfied. A malicious PV guest administrator can take advantage of this flaw to gain privileges via a crafted superpage mapping.
For the oldstable distribution (wheezy), this problem has been fixed in version 4.1.4-3+deb7u9.
For the stable distribution (jessie), this problem has been fixed in version 4.4.1-9+deb8u2.
We recommend that you upgrade your xen packages.