CVEvulnerability
CVE-2018-19967
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-12-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 6.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-20
Description
An issue was discovered in Xen through 4.11.x on Intel x86 platforms allowing guest OS users to cause a denial of service (host OS hang) because Xen does not work around Intel's mishandling of certain HLE transactions associated with the KACQUIRE instruction prefix.
Affected configurations
• xen xen (<= 4.11.1)
• debian debian linux 9.0
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00057.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html lists.opensuse.org
- http://www.securityfocus.com/bid/106182 Third Party Advisory, VDB Entry
- https://support.citrix.com/article/CTX239432 Third Party Advisory
- https://www.debian.org/security/2019/dsa-4369 Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-282.html Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00057.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html lists.opensuse.org
- http://www.securityfocus.com/bid/106182 Third Party Advisory, VDB Entry
- https://support.citrix.com/article/CTX239432 Third Party Advisory
- https://www.debian.org/security/2019/dsa-4369 Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-282.html Patch, Vendor Advisory