CVE-2014-8594
EPSS 1.3%xen - security update
Published: 11/19/2014Modified: 4/28/2026
Description
The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).
Affected packages (2)
- Debian/xenfrom 0, < 4.4.1-4
- Debian/xenfrom 0, < 4.1.4-3+deb7u4