Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area.
CPE | Name | Operator | Version |
---|---|---|---|
ubuntu_linux | eq | 16.04 | |
ubuntu_linux | eq | 15.10 | |
ubuntu_linux | eq | 14.04 | |
xen | le | 4.5.3 |
www.debian.org/security/2016/dsa-3607
www.securityfocus.com/bid/86068
www.securitytracker.com/id/1035569
www.ubuntu.com/usn/USN-3001-1
www.ubuntu.com/usn/USN-3002-1
www.ubuntu.com/usn/USN-3003-1
www.ubuntu.com/usn/USN-3004-1
www.ubuntu.com/usn/USN-3005-1
www.ubuntu.com/usn/USN-3006-1
www.ubuntu.com/usn/USN-3007-1
www.ubuntu.com/usn/USN-3049-1
www.ubuntu.com/usn/USN-3050-1
xenbits.xen.org/xsa/advisory-174.html
xenbits.xen.org/xsa/xsa174.patch