CVEvulnerability
CVE-2011-2519
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2013-12-27
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 5.5 MEDIUM — AV:A/AC:L/Au:S/C:N/I:N/A:C
- Weaknesses
- CWE-476
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.
Affected configurations
• xen xen (< 3.3.0)
• redhat enterprise linux desktop 5.0
• redhat enterprise linux server 5.0
• redhat enterprise linux workstation 5.0
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- http://rhn.redhat.com/errata/RHSA-2011-1212.html Third Party Advisory
- http://www.openwall.com/lists/oss-security/2011/08/30/1 Mailing List, Third Party Advisory
- http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644 Patch, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=718882 Issue Tracking, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-1212.html Third Party Advisory
- http://www.openwall.com/lists/oss-security/2011/08/30/1 Mailing List, Third Party Advisory
- http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644 Patch, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=718882 Issue Tracking, Third Party Advisory