CVE-2018-7540

MediumCVSS 6.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 6.5/10CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Weakness enumeration

CWE-400

Affected software

No affected versions have been published.

Timeline

Published: Feb 27, 2018
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2018

CVE-2018-75418.8An issue was discovered in Xen through 4.10.x allowing guest OS users to cause a denial of service (hypervisor crash) or gain privileges by CVE-2018-75426.5An issue was discovered in Xen 4.8.x through 4.10.x allowing x86 PVH guest OS users to cause a denial of service (NULL pointer dereference a CVE-2018-75436.1Cross-site scripting (XSS) vulnerability in installer/build/view.step4.php of the SnapCreek Duplicator plugin 1.2.32 for WordPress allows re CVE-2018-75449.1A cross-protocol scripting issue was discovered in the management interface in OpenVPN through 2.4.5. When this interface is enabled over TC CVE-2018-75465.5wpsmain.dll in Kingsoft WPS Office 2016 and Jinshan PDF 10.1.0.6621 allows remote attackers to cause a denial of service via a crafted pdf f CVE-2018-75474.8lyadmin 1.x has XSS via the config[WEB_SITE_TITLE] parameter to the /admin.php?s=/admin/config/groupsave.html URI.CVE-2018-75489.8In subst.c in zsh through 5.4.2, there is a NULL pointer dereference when using ${(PA)...} on an empty array result.CVE-2018-75497.5In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p.CVE-2018-75508.8The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the CVE-2018-75519.8There is an invalid free in MiniPS::delete0 in minips.cpp that leads to a Segmentation fault in sam2p 0.49.4. A crafted input will lead to a CVE-2018-75529.8There is an invalid free in Mapping::DoubleHash::clear in mapping.cpp that leads to a Segmentation fault in sam2p 0.49.4. A crafted input wi CVE-2018-75539.8There is a heap-based buffer overflow in the pcxLoadRaster function of in_pcx.cpp in sam2p 0.49.4. A crafted input will lead to a denial of