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Status published
Medium
CVE-2018-7540
An issue was discovered in Xen through 4.10.x allowing x86...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://xenbits.xen.org/xsa/advisory-252.html
- https://security.gentoo.org/glsa/201810-06
- http://www.securitytracker.com/id/1040773
- https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html
- https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html
- http://www.securityfocus.com/bid/103174
- https://www.debian.org/security/2018/dsa-4131
- https://support.citrix.com/article/CTX232655
- https://support.citrix.com/article/CTX232096
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Affected Vendor
Affected Software
xen, debian linux
Vulnerable Versions:
0, 9.0
Timeline
Official Publish:
February 27th, 2018
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.