VulnerabilityModified
CVE-2011-1780
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.
MEDIUM 6.1EPSS 0.70%
Does this matter?
Lower severity and a low EPSS score (0.70%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 6.1 MEDIUMAV:A/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 0.70% probability · 51th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- xen/xen
- Source
- secalert@redhat.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.