High severity8.8NVD Advisory· Published Dec 8, 2018· Updated Jun 17, 2026
CVE-2018-19966
CVE-2018-19966
Description
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorrect fix for CVE-2017-15595.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
25- Range: <=4.11.x
- osv-coords23 versionspkg:rpm/opensuse/xen&distro=openSUSE%20Tumbleweedpkg:rpm/suse/xen&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg: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%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4pkg:rpm/suse/xen&distro=SUSE%20OpenStack%20Cloud%207
< 4.15.1_01-1.2+ 22 more
- (no CPE)range: < 4.15.1_01-1.2
- (no CPE)range: < 4.7.6_05-43.45.1
- (no CPE)range: < 4.9.3_03-3.47.1
- (no CPE)range: < 4.11.1_02-2.3.1
- (no CPE)range: < 4.10.2_04-3.9.1
- (no CPE)range: < 4.10.2_04-3.9.1
- (no CPE)range: < 4.2.5_21-45.30.1
- (no CPE)range: < 4.4.4_38-61.40.1
- (no CPE)range: < 4.5.5_28-22.58.1
- (no CPE)range: < 4.7.6_05-43.45.1
- (no CPE)range: < 4.7.6_05-43.45.1
- (no CPE)range: < 4.9.3_03-3.47.1
- (no CPE)range: < 4.11.1_02-2.3.1
- (no CPE)range: < 4.4.4_40-22.77.1
- (no CPE)range: < 4.4.4_38-61.40.1
- (no CPE)range: < 4.5.5_28-22.58.1
- (no CPE)range: < 4.7.6_05-43.45.1
- (no CPE)range: < 4.9.3_03-3.47.1
- (no CPE)range: < 4.11.1_02-2.3.1
- (no CPE)range: < 4.4.4_38-61.40.1
- (no CPE)range: < 4.9.3_03-3.47.1
- (no CPE)range: < 4.11.1_02-2.3.1
- (no CPE)range: < 4.7.6_05-43.45.1
Patches
Vulnerability mechanics
References
6- xenbits.xen.org/xsa/advisory-280.htmlnvdMitigationPatchVendor Advisory
- www.securityfocus.com/bid/106182nvdThird Party AdvisoryVDB Entry
- www.debian.org/security/2019/dsa-4369nvdThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.htmlnvd
- lists.debian.org/debian-lts-announce/2019/10/msg00008.htmlnvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/nvd
News mentions
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