Home/CVE/An 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
CVE

CVE-2018-18883

An 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

An 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.

HIGH · CVSS 8.8 EPSS 0.00172
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

1
xen>= 4.9.0 and <= 4.11.0
▣

Scoring & Timeline

8.8
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 NVD01 Nov 2018 · 12:29 AM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
⚑

Vendor Advisories

4
suse-csafopenSUSE-SU-2024:11520-1
suse-csafSUSE-SU-2019:0003-1
suse-csafSUSE-SU-2018:4300-1
suse-csafSUSE-SU-2018:4070-1
🔗

References & Sources

3
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/105817Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1042021Third Party AdvisoryVDB Entry
https://xenbits.xen.org/xsa/advisory-278.htmlMitigationPatchVendor Advisory
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