CVE-2018-19963
UnknownEPSS 0.37%
Last modified
CVE-2018-19963 is a vulnerability of currently unknown severity. An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because x86 IOREQ server resource accounting (for external emulators) was mishandled.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.
Description
An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because x86 IOREQ server resource accounting (for external emulators) was mishandled.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 4.11.0 |
References
- http://www.securityfocus.com/bid/106182Third Party Advisory, VDB Entry
- https://xenbits.xen.org/xsa/advisory-276.htmlPatch, Third Party Advisory
- http://www.securityfocus.com/bid/106182Third Party Advisory, VDB Entry
- https://xenbits.xen.org/xsa/advisory-276.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-19963?
An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because x86 IOREQ server resource accounting (for external emulators) was mishandled.
How severe is CVE-2018-19963?
Severity scoring for CVE-2018-19963 is pending analysis. The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.
How do I fix CVE-2018-19963?
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.
Are you affected by CVE-2018-19963?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST