CVE-2011-2519
UnknownEPSS 0.68%
Last modified
CVE-2011-2519 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| 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 |
References
- http://rhn.redhat.com/errata/RHSA-2011-1212.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2011/08/30/1Mailing List, Third Party Advisory
- http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644Patch, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=718882Issue Tracking, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-1212.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2011/08/30/1Mailing List, Third Party Advisory
- http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644Patch, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=718882Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2011-2519?
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.
How severe is CVE-2011-2519?
Severity scoring for CVE-2011-2519 is pending analysis. The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.
How do I fix CVE-2011-2519?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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Are you affected by CVE-2011-2519?
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Scan your code nowSource: NVD / NIST