Medium severity5.5NVD Advisory· Published Jul 30, 2018· Updated Jun 17, 2026
CVE-2017-7518
CVE-2017-7518
Description
A flaw was found in the Linux kernel before version 4.12 in the way the KVM module processed the trap flag(TF) bit in EFLAGS during emulation of the syscall instruction, which leads to a debug exception(#DB) being raised in the guest stack. A user/process inside a guest could use this flaw to potentially escalate their privileges inside the guest. Linux guests are not affected by this.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
42- osv-coords42 versionspkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2012pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/kernel-xen&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/kgraft-patch-SLE12-SP1_Update_22&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/kgraft-patch-SLE12-SP1_Update_22&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/kgraft-patch-SLE12-SP1_Update_22&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_14&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012pkg:rpm/suse/kgraft-patch-SLE12_Update_28&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS
< 4.4.90-92.45.1+ 41 more
- (no CPE)range: < 4.4.90-92.45.1
- (no CPE)range: < 4.4.90-92.45.1
- (no CPE)range: < 3.12.74-60.64.63.1
- (no CPE)range: < 4.4.90-92.45.1
- (no CPE)range: < 3.12.61-52.101.1
- (no CPE)range: < 4.4.90-92.45.1
- (no CPE)range: < 3.12.74-60.64.63.1
- (no CPE)range: < 4.4.90-92.45.1
- (no CPE)range: < 4.4.90-92.45.1
- (no CPE)range: < 3.12.74-60.64.63.1
- (no CPE)range: < 4.4.90-92.45.3
- (no CPE)range: < 3.12.74-60.64.63.1
- (no CPE)range: < 4.4.90-92.45.1
- (no CPE)range: < 4.4.88-18.1
- (no CPE)range: < 4.4.88-18.1
- (no CPE)range: < 4.4.90-92.45.1
- (no CPE)range: < 3.12.74-60.64.63.1
- (no CPE)range: < 4.4.90-92.45.1
- (no CPE)range: < 3.12.61-52.101.1
- (no CPE)range: < 4.4.90-92.45.1
- (no CPE)range: < 3.12.74-60.64.63.1
- (no CPE)range: < 4.4.90-92.45.1
- (no CPE)range: < 3.12.74-60.64.63.1
- (no CPE)range: < 4.4.88-18.1
- (no CPE)range: < 4.4.90-92.45.1
- (no CPE)range: < 3.12.74-60.64.63.1
- (no CPE)range: < 4.4.90-92.45.1
- (no CPE)range: < 3.12.61-52.101.1
- (no CPE)range: < 4.4.90-92.45.1
- (no CPE)range: < 3.12.74-60.64.63.1
- (no CPE)range: < 4.4.90-92.45.1
- (no CPE)range: < 3.12.74-60.64.63.1
- (no CPE)range: < 4.4.88-18.1
- (no CPE)range: < 3.12.74-60.64.63.1
- (no CPE)range: < 3.12.61-52.101.1
- (no CPE)range: < 3.12.74-60.64.63.1
- (no CPE)range: < 3.12.74-60.64.63.1
- (no CPE)range: < 1-2.1
- (no CPE)range: < 1-2.1
- (no CPE)range: < 1-2.1
- (no CPE)range: < 1-2.4
- (no CPE)range: < 1-8.1
Patches
Vulnerability mechanics
References
12- www.openwall.com/lists/oss-security/2017/06/23/5nvdMailing ListPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- www.spinics.net/lists/kvm/msg151817.htmlnvdMailing ListPatch
- www.securityfocus.com/bid/99263nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1038782nvdThird Party AdvisoryVDB Entry
- access.redhat.com/articles/3290921nvdPermissions RequiredThird Party Advisory
- access.redhat.com/errata/RHSA-2018:0395nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2018:0412nvdThird Party Advisory
- usn.ubuntu.com/3619-1/nvdThird Party Advisory
- usn.ubuntu.com/3619-2/nvdThird Party Advisory
- usn.ubuntu.com/3754-1/nvdThird Party Advisory
- www.debian.org/security/2017/dsa-3981nvdThird Party Advisory
News mentions
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