High severity7.8NVD Advisory· Published Oct 28, 2017· Updated Jun 17, 2026

CVE-2017-15951

Description

The KEYS subsystem in the Linux kernel before 4.13.10 does not correctly synchronize the actions of updating versus finding a key in the "negative" state to avoid a race condition, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux/Kernel2 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=4.4,<4.4.95
- (no CPE)range: <4.13.10
osv-coords35 versions
pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP3 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3 pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_20&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012 pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_10&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP3
< 4.4.120-92.70.1+ 34 more
- (no CPE)range: < 4.4.120-92.70.1
- (no CPE)range: < 4.4.120-94.17.1
- (no CPE)range: < 4.4.120-92.70.1
- (no CPE)range: < 4.4.120-94.17.1
- (no CPE)range: < 4.4.120-92.70.1
- (no CPE)range: < 4.4.120-94.17.1
- (no CPE)range: < 4.4.120-92.70.1
- (no CPE)range: < 4.4.120-92.70.1
- (no CPE)range: < 4.4.120-94.17.1
- (no CPE)range: < 4.4.120-92.70.1
- (no CPE)range: < 4.4.120-94.17.1
- (no CPE)range: < 4.4.120-92.70.1
- (no CPE)range: < 4.4.120-94.17.1
- (no CPE)range: < 4.4.120-92.70.1
- (no CPE)range: < 4.4.120-94.17.1
- (no CPE)range: < 4.4.120-3.8.1
- (no CPE)range: < 4.4.120-3.8.1
- (no CPE)range: < 4.4.120-92.70.1
- (no CPE)range: < 4.4.120-94.17.1
- (no CPE)range: < 4.4.120-92.70.1
- (no CPE)range: < 4.4.120-94.17.1
- (no CPE)range: < 4.4.120-92.70.1
- (no CPE)range: < 4.4.120-92.70.1
- (no CPE)range: < 4.4.120-94.17.1
- (no CPE)range: < 4.4.120-3.8.1
- (no CPE)range: < 4.4.120-92.70.1
- (no CPE)range: < 4.4.120-94.17.1
- (no CPE)range: < 4.4.120-92.70.1
- (no CPE)range: < 4.4.120-94.17.1
- (no CPE)range: < 4.4.120-92.70.1
- (no CPE)range: < 4.4.120-92.70.1
- (no CPE)range: < 4.4.120-94.17.1
- (no CPE)range: < 4.4.120-3.8.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-4.3.1

Patches

Vulnerability mechanics

References

git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdIssue TrackingPatchThird Party Advisory
github.com/torvalds/linux/commit/363b02dab09b3226f3bd1420dad9c72b79a42a76nvdIssue TrackingPatchThird Party Advisory
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.10nvdRelease NotesVendor Advisory
www.securityfocus.com/bid/101621nvdThird Party AdvisoryVDB Entry

News mentions

No linked articles in our index yet.

cvss	0.507
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000