Home/CVE/An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service (host OS crash) or possibly
CVE

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

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.

HIGH · CVSS 7.8 EPSS 0.00051
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-617Reachable Assertion
▤

Affected Products & Versions

1
xenall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Dec 2018 · 04:29 AM
CVSS VectorCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
⚑

Vendor Advisories

2
suse-csafopenSUSE-SU-2024:11520-1
suse-csafSUSE-SU-2019:0003-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/106182Third Party AdvisoryVDB Entry
https://xenbits.xen.org/xsa/advisory-276.htmlPatchThird Party Advisory
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