Medium severity6.5NVD Advisory· Published Feb 27, 2018· Updated Jun 17, 2026
CVE-2018-7540
CVE-2018-7540
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
12- osv-coords11 versionspkg:rpm/opensuse/xen&distro=openSUSE%20Tumbleweedpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3
< 4.15.1_01-1.2+ 10 more
- (no CPE)range: < 4.15.1_01-1.2
- (no CPE)range: < 4.7.5_02-43.27.1
- (no CPE)range: < 4.9.2_04-3.29.1
- (no CPE)range: < 4.2.5_21-45.19.1
- (no CPE)range: < 4.2.5_21-45.19.1
- (no CPE)range: < 4.7.5_02-43.27.1
- (no CPE)range: < 4.9.2_04-3.29.1
- (no CPE)range: < 4.7.5_02-43.27.1
- (no CPE)range: < 4.9.2_04-3.29.1
- (no CPE)range: < 4.7.5_02-43.27.1
- (no CPE)range: < 4.9.2_04-3.29.1
Patches
Vulnerability mechanics
References
9- lists.debian.org/debian-lts-announce/2018/03/msg00003.htmlnvdThird Party Advisory
- www.debian.org/security/2018/dsa-4131nvdThird Party Advisory
- xenbits.xen.org/xsa/advisory-252.htmlnvdVendor Advisory
- www.securityfocus.com/bid/103174nvd
- www.securitytracker.com/id/1040773nvd
- lists.debian.org/debian-lts-announce/2018/11/msg00013.htmlnvd
- security.gentoo.org/glsa/201810-06nvd
- support.citrix.com/article/CTX232096nvd
- support.citrix.com/article/CTX232655nvd
News mentions
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