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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 1.9 (Low). Vector: AV:L/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.006 (48.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Xen — versions 3.3.0, 4.0.0, 4.0.1
Weakness classification (CWE)
References
- www.debian.org/security/2012/dsa-2531 (vendor-advisory)
- secunia.com/advisories/55082 (third-party-advisory)
- lists.xen.org/archives/html/xen-devel/2012-07/msg01649.html (Vendor Advisory, mailing-list, Exploit)
- security.gentoo.org/glsa/glsa-201309-24.xml (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2012-08/msg00025.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2012-08/msg00024.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html (vendor-advisory)
- www.securityfocus.com/bid/54691 (vdb-entry)
- lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html (vendor-advisory)