CVE-2014-7155
EPSS 1.0%Published: 10/2/2014Modified: 4/28/2026
Also known as:DEBIAN-CVE-2014-7155
Description
The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction.
Affected packages (1)
- Debian/xenfrom 0, < 4.4.1-3