Medium severity5.5NVD Advisory· Published Aug 20, 2018· Updated Jun 17, 2026
CVE-2018-15594
CVE-2018-15594
Description
arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
63- osv-coords62 versionspkg:rpm/suse/kernel-bigmem&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-bigmem&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-ppc64&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-ppc64&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/kernel-rt_trace&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_25&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_25&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_25&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_25&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_25&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP3pkg:rpm/suse/lttng-modules&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/lttng-modules&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/lttng-modules&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/lttng-modules&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/lttng-modules&distro=SUSE%20OpenStack%20Cloud%207
< 3.0.101-108.71.1+ 61 more
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.178-94.91.2
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.178-94.91.2
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.178-94.91.2
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.178-94.91.2
- (no CPE)range: < 4.4.178-94.91.2
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 4.4.178-94.91.2
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 4.4.178-94.91.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.0.101.rt130-69.36.1
- (no CPE)range: < 3.0.101.rt130-69.36.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.178-94.91.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.178-94.91.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.178-94.91.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 3.0.101.rt130-69.36.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.178-94.91.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.178-94.91.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 4.4.178-94.91.1
- (no CPE)range: < 4.4.121-92.95.1
- (no CPE)range: < 3.0.101.rt130-69.36.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 3.0.101-108.71.1
- (no CPE)range: < 1-3.4.1
- (no CPE)range: < 1-3.4.1
- (no CPE)range: < 1-3.4.1
- (no CPE)range: < 1-3.4.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 2.7.1-9.6.1
- (no CPE)range: < 2.7.1-9.6.1
- (no CPE)range: < 2.7.1-9.6.1
- (no CPE)range: < 2.7.1-9.6.1
- (no CPE)range: < 2.7.1-9.6.1
Patches
Vulnerability mechanics
References
18- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdMitigationPatchVendor Advisory
- github.com/torvalds/linux/commit/5800dc5c19f34e6e03b5adab1282535cb102fafdnvdMitigationPatchThird Party Advisory
- www.securityfocus.com/bid/105120nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1041601nvdThird Party AdvisoryVDB Entry
- cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.1nvdRelease NotesVendor Advisory
- lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlnvdMailing ListThird Party Advisory
- twitter.com/grsecurity/status/1029324426142199808nvdThird Party Advisory
- usn.ubuntu.com/3775-1/nvdThird Party Advisory
- usn.ubuntu.com/3775-2/nvdThird Party Advisory
- usn.ubuntu.com/3776-1/nvdThird Party Advisory
- usn.ubuntu.com/3776-2/nvdThird Party Advisory
- usn.ubuntu.com/3777-1/nvdThird Party Advisory
- usn.ubuntu.com/3777-2/nvdThird Party Advisory
- usn.ubuntu.com/3777-3/nvdThird Party Advisory
- www.debian.org/security/2018/dsa-4308nvdThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.htmlnvd
- access.redhat.com/errata/RHSA-2019:2029nvd
- access.redhat.com/errata/RHSA-2019:2043nvd
News mentions
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