CVE-2018-18883

Summary

CVECVE-2018-18883
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-11-01 00:29:00 UTC
Updated2019-01-24 14:23:00 UTC
DescriptionAn issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.

Risk And Classification

Problem Types: CWE-476

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Xen Xen All All All All

References

ReferenceSourceLinkTags
Xen HVM/PVH Null Pointer Dereference Lets Remote Users Execute Arbitrary Code - SecurityTracker SECTRACK www.securitytracker.com Third Party Advisory, VDB Entry
Xen 'vmx.c' Denial of Service Vulnerability BID www.securityfocus.com Third Party Advisory, VDB Entry
XSA-278 - Xen Security Advisories MISC xenbits.xen.org Mitigation, Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 500751 Alpine Linux Security Update for xen
  • 504528 Alpine Linux Security Update for xen
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