CVE-2012-3432 | BDVDB-2026-53701 Detail
Description#
The handle_mmio function in arch/x86/hvm/io.c in the MMIO operations emulator for Xen 3.3 and 4.x, when running an HVM guest, does not properly reset certain state information between emulation cycles, which allows local guest OS users to cause a denial of service (guest OS crash) via unspecified operations on MMIO regions.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://www.debian.org/security/2012/dsa-2531
- http://secunia.com/advisories/55082
- http://lists.xen.org/archives/html/xen-devel/2012-07/msg01649.html
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html
- http://www.securityfocus.com/bid/54691
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.