CVE-2011-1936: xen
Vulnerability summary
CVE-2011-1936 is a medium (CVSS 4.6) vulnerability in xen. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 40.7% of scored vulnerabilities.
Not severe (CVSS 4.6, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 07-01-2014PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Xen, when using x86 Intel processors and the VMX virtualization extension is enabled, does not properly handle cpuid instruction emulation when exiting the VM, which allows local guest users to cause a denial of service (guest crash) via unspecified vectors.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.47%
Chance of exploitation in the next 30 days
Percentile
41%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.47% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: adjacent network, no authentication (CVSS vector). Other conditions: not stated in public data.
Xen1 product
- xenna
1 vendor · 1 product