Medium severity5.6NVD Advisory· Published Dec 8, 2018· Updated Jun 17, 2026
CVE-2018-19965
CVE-2018-19965
Description
An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 (aka Meltdown) mitigation.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
30- osv-coords23 versionspkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg: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%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/opensuse/xen&distro=openSUSE%20Tumbleweedpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%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%20Software%20Development%20Kit%2012%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4pkg:rpm/suse/xen&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/xen&distro=SUSE%20Enterprise%20Storage%204
< 4.11.1_02-2.3.1+ 22 more
- (no CPE)range: < 4.11.1_02-2.3.1
- (no CPE)range: < 4.11.1_02-2.3.1
- (no CPE)range: < 4.7.6_05-43.45.1
- (no CPE)range: < 4.4.4_40-22.77.1
- (no CPE)range: < 4.4.4_38-61.40.1
- (no CPE)range: < 4.2.5_21-45.30.1
- (no CPE)range: < 4.5.5_28-22.64.1
- (no CPE)range: < 4.15.1_01-1.2
- (no CPE)range: < 4.4.4_38-61.40.1
- (no CPE)range: < 4.4.4_38-61.40.1
- (no CPE)range: < 4.5.5_28-22.64.1
- (no CPE)range: < 4.7.6_05-43.45.1
- (no CPE)range: < 4.11.1_02-2.3.1
- (no CPE)range: < 4.9.3_03-3.47.1
- (no CPE)range: < 4.9.3_03-3.47.1
- (no CPE)range: < 4.9.3_03-3.47.1
- (no CPE)range: < 4.9.3_03-3.47.1
- (no CPE)range: < 4.10.2_04-3.9.1
- (no CPE)range: < 4.11.1_02-2.3.1
- (no CPE)range: < 4.7.6_05-43.45.1
- (no CPE)range: < 4.10.2_04-3.9.1
- (no CPE)range: < 4.7.6_05-43.45.1
- (no CPE)range: < 4.7.6_05-43.45.1
cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:7.1:cu1:*:*:ltsr:*:*:*
- cpe:2.3:a:citrix:xenserver:7.5:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:7.6:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
6- support.citrix.com/article/CTX239432nvdPatchThird Party Advisory
- xenbits.xen.org/xsa/advisory-279.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.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/nvd
News mentions
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