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CVE-2011-1780

Date: January 7, 2014

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.

Severity Score

Related Resources (7)

http://www.openwall.com/lists/oss-security/2011/07/07/3
https://nvd.nist.gov/vuln/detail/CVE-2011-1780
http://rhn.redhat.com/errata/RHSA-2011-1163.html
https://access.redhat.com/security/cve/CVE-2011-1780
https://bugzilla.redhat.com/show_bug.cgi?id=702657
http://rhn.redhat.com/errata/RHSA-2011-1065.html
https://www.mend.io/vulnerability-database/CVE-2011-1780

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): ADJACENT
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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