Vulnerability in Xen
CVE-2012-3432
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.
EPSS: 0.006 (47.1th percentile) — read the EPSS interpretation.
Affected products
- Xen — versions 3.3.0, 4.0.0, 4.0.1
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (vendor-advisory, x_refsource_DEBIAN)
- secalert@redhat.com (x_refsource_SECUNIA, third-party-advisory)
- secalert@redhat.com (Vendor Advisory, mailing-list, x_refsource_MLIST, Exploit)
- secalert@redhat.com (vendor-advisory, x_refsource_GENTOO)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (vdb-entry, x_refsource_BID)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)