Vulnerability in Xen
CVE-2012-3433
Xen 4.0 and 4.1 allows local HVM guest OS kernels to cause a denial of service (domain 0 VCPU hang and kernel panic) by modifying the physical address space in a way that triggers excessive shared page search time during the p2m teardown.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.9 (Medium). Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (33.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Xen — versions 4.0.0, 4.1.0
Weakness classification (CWE)
References
- www.debian.org/security/2012/dsa-2531 (vendor-advisory)
- secunia.com/advisories/55082 (third-party-advisory)
- www.openwall.com/lists/oss-security/2012/08/09/3 (mailing-list)
- 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)
- www.securityfocus.com/bid/54942 (vdb-entry)
- lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html (vendor-advisory)
- lists.xen.org/archives/html/xen-devel/2012-08/msg00855.html (mailing-list)
- lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html (vendor-advisory)