CVE-2018-7540
Moderate
CVE-2018-7540
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.
Exploit probability
0.4%
Published
February 27, 2018
Required by
Not available
Last source change
March 15, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2018-7540
View original source
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.
05 / REFERENCES
Further evidence
- http://www.securityfocus.com/bid/103174
- http://www.securitytracker.com/id/1040773
- https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html
- https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html
- https://security.gentoo.org/glsa/201810-06
- https://support.citrix.com/article/CTX232096
- https://support.citrix.com/article/CTX232655
- https://www.debian.org/security/2018/dsa-4131
- https://xenbits.xen.org/xsa/advisory-252.html