Vulnerability in Xen
CVE-2012-4536
The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 2.1 (Low). Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (33.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.8% 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 2.2.0
References
- secunia.com/advisories/55082 (third-party-advisory)
- secunia.com/advisories/51413 (third-party-advisory)
- secunia.com/advisories/51200 (third-party-advisory)
- security.gentoo.org/glsa/glsa-201309-24.xml (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html (vendor-advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/80023 (vdb-entry)
- lists.xen.org/archives/html/xen-announce/2012-11/msg00003.html (Vendor Advisory, mailing-list)
- www.openwall.com/lists/oss-security/2012/11/13/2 (mailing-list)
- www.securitytracker.com/id (vdb-entry)
- osvdb.org/87297 (vdb-entry)