CVEvulnerability
CVE-2018-7540
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-02-27
- 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-400
Description
An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.
Affected configurations
• xen xen (<= 4.10.0)
• debian debian linux 9.0
Related
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- http://www.securityfocus.com/bid/103174 www.securityfocus.com
- http://www.securitytracker.com/id/1040773 www.securitytracker.com
- https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html lists.debian.org
- https://security.gentoo.org/glsa/201810-06 security.gentoo.org
- https://support.citrix.com/article/CTX232096 support.citrix.com
- https://support.citrix.com/article/CTX232655 support.citrix.com
- https://www.debian.org/security/2018/dsa-4131 Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-252.html Vendor Advisory
- http://www.securityfocus.com/bid/103174 www.securityfocus.com
- http://www.securitytracker.com/id/1040773 www.securitytracker.com
- https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html lists.debian.org
- https://security.gentoo.org/glsa/201810-06 security.gentoo.org
- https://support.citrix.com/article/CTX232096 support.citrix.com
- https://support.citrix.com/article/CTX232655 support.citrix.com
- https://www.debian.org/security/2018/dsa-4131 Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-252.html Vendor Advisory