CVE-2014-8594
Publication date 19 November 2014
Last updated 24 July 2024
Ubuntu priority
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).
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| xen | ||
| 14.04 LTS trusty |
Fixed 4.4.1-0ubuntu0.14.04.2
|
|
| xen-3.3 | ||
| 14.04 LTS trusty | Not in release | |