Medium severity4.7NVD Advisory· Published Sep 30, 2019· Updated Jun 17, 2026

CVE-2019-16994

Description

In the Linux kernel before 5.0, a memory leak exists in sit_init_net() in net/ipv6/sit.c when register_netdev() fails to register sitn->fb_tunnel_dev, which may cause denial of service, aka CID-07f12b26e21a.

AI Insight

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

Affected products

102

Linux/Linux kerneldescription
Linux/Kernelllm-fuzzy
Range: <5.0
osv-coords100 versions
pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/kernel-vanilla&distro=openSUSE%20Leap%2015.1 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/kernel-livepatch-SLE15-SP1_Update_9&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1 pkg:rpm/suse/kernel-livepatch-SLE15_Update_18&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_12&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_3&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5
< 4.12.14-lp151.28.40.1+ 99 more
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-lp151.28.40.1
- (no CPE)range: < 4.12.14-8.27.1
- (no CPE)range: < 4.12.14-6.37.1
- (no CPE)range: < 4.12.14-16.10.1
- (no CPE)range: < 4.12.14-6.37.1
- (no CPE)range: < 4.12.14-16.10.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-122.17.2
- (no CPE)range: < 1-3.5.1
- (no CPE)range: < 1-1.5.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-8.12.1
- (no CPE)range: < 4.12.14-6.3.1
- (no CPE)range: < 4.12.14-14.17.1
- (no CPE)range: < 4.12.14-8.12.1
- (no CPE)range: < 4.12.14-6.3.1
- (no CPE)range: < 4.12.14-14.17.1
- (no CPE)range: < 4.12.14-8.27.1
- (no CPE)range: < 4.12.14-6.37.1
- (no CPE)range: < 4.12.14-16.10.1
- (no CPE)range: < 4.12.14-6.37.1
- (no CPE)range: < 4.12.14-16.10.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-8.12.1
- (no CPE)range: < 4.12.14-6.3.1
- (no CPE)range: < 4.12.14-14.17.1
- (no CPE)range: < 4.12.14-8.27.1
- (no CPE)range: < 4.12.14-6.37.1
- (no CPE)range: < 4.12.14-16.10.1
- (no CPE)range: < 4.12.14-6.37.1
- (no CPE)range: < 4.12.14-16.10.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-122.17.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-8.12.1
- (no CPE)range: < 4.12.14-6.3.1
- (no CPE)range: < 4.12.14-14.17.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 4.12.14-197.34.1
- (no CPE)range: < 4.12.14-150.52.1
- (no CPE)range: < 1-6.3.1
- (no CPE)range: < 1-8.5.1

Patches

Vulnerability mechanics

References

github.com/torvalds/linux/commit/07f12b26e21ab359261bf75cfcb424fdc7daeb6dnvdPatchThird Party Advisory
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdExploitIssue TrackingPatchVendor Advisory
lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlnvdMailing ListThird Party Advisory
security.netapp.com/advisory/ntap-20191031-0005/nvdThird Party Advisory

News mentions

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cvss	0.306
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000