Vulnerability Description
Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | < 3.3.0 |
| Redhat | Enterprise Linux Desktop | 5.0 |
| Redhat | Enterprise Linux Server | 5.0 |
| Redhat | Enterprise Linux Workstation | 5.0 |
Related Weaknesses (CWE)
References
- http://rhn.redhat.com/errata/RHSA-2011-1212.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2011/08/30/1Mailing ListThird Party Advisory
- http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644PatchVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=718882Issue TrackingThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-1212.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2011/08/30/1Mailing ListThird Party Advisory
- http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644PatchVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=718882Issue TrackingThird Party Advisory
FAQ
What is CVE-2011-2519?
CVE-2011-2519 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via t...
How severe is CVE-2011-2519?
CVE-2011-2519 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-2519?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.