What’s Vulnerable › Vulnerabilities

CVE-2011-1780

• Severity: medium (CVSS 6.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-01-07 · updated 2026-06-16
• Weakness: CWE-20

Description

The instruction emulation in Xen 3.0.3 allows local SMP guest users to cause a denial of service (host crash) by replacing the instruction that causes the VM to exit in one thread with a different instruction in a different thread.

Affected products

• xen: 3.0.3

References

• http://rhn.redhat.com/errata/RHSA-2011-1065.html
• http://rhn.redhat.com/errata/RHSA-2011-1163.html
• http://www.openwall.com/lists/oss-security/2011/07/07/3
• https://bugzilla.redhat.com/show_bug.cgi?id=702657
• http://rhn.redhat.com/errata/RHSA-2011-1065.html
• http://rhn.redhat.com/errata/RHSA-2011-1163.html
• http://www.openwall.com/lists/oss-security/2011/07/07/3
• https://bugzilla.redhat.com/show_bug.cgi?id=702657

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