CVE-2018-19962
UnknownEPSS 0.41%
Last modified
CVE-2018-19962 is a vulnerability of currently unknown severity. An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.
Description
An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Xen | Xen | <= 4.11.1 | — |
| Debian | Debian Linux | 9.0 | — |
| Citrix | Xenserver | 7.0 | — |
| Citrix | Xenserver | 7.1 | Cu1 |
| Citrix | Xenserver | 7.5 | — |
| Citrix | Xenserver | 7.6 | — |
References
- http://www.securityfocus.com/bid/106182Third Party Advisory, VDB Entry
- https://support.citrix.com/article/CTX239432Third Party Advisory
- https://www.debian.org/security/2019/dsa-4369Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-275.htmlPatch, Vendor Advisory
- http://www.securityfocus.com/bid/106182Third Party Advisory, VDB Entry
- https://support.citrix.com/article/CTX239432Third Party Advisory
- https://www.debian.org/security/2019/dsa-4369Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-275.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-19962?
An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones.
How severe is CVE-2018-19962?
Severity scoring for CVE-2018-19962 is pending analysis. The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.
How do I fix CVE-2018-19962?
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.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2018-19962?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST