Medium severity5.5NVD Advisory· Published Jun 3, 2020· Updated Jun 17, 2026

CVE-2019-20811

Description

An issue was discovered in the Linux kernel before 5.0.6. In rx_queue_add_kobject() and netdev_queue_add_kobject() in net/core/net-sysfs.c, a reference count is mishandled, aka CID-a3e23f719f5c.

AI Insight

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

Affected products

116

Canonical/Ubuntu Linux2 versions
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*+ 1 more
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
Debian/linux2 versions
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Linux/Kernel2 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: <5.0.6
- (no CPE)range: <5.0.6
Linux/Linux kerneldescription
osv-coords109 versions
pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-vanilla&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-vanilla&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.4 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%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Enterprise%20Storage%206 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%20SP1-ESPOS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS 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%20Server%2012%20SP4-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCL pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSS 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%20Server%20for%20SAP%20Applications%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20OpenStack%20Cloud%209 pkg:rpm/suse/kernel-default&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209 pkg:rpm/suse/kernel-docs&distro=SUSE%20Enterprise%20Storage%206 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS 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%20Server%2015%20SP1-BCL pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSS 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%20Server%20for%20SAP%20Applications%2015%20SP1 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/kernel-livepatch-SLE15-SP1_Update_31&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1 pkg:rpm/suse/kernel-livepatch-SLE15_Update_30&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Enterprise%20Storage%206 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS 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%20Server%2015%20SP1-BCL pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSS 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%20Server%20for%20SAP%20Applications%2015%20SP1 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Enterprise%20Storage%206 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS 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%20Server%2012%20SP4-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCL pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSS 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&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1 pkg:rpm/suse/kernel-source&distro=SUSE%20OpenStack%20Cloud%209 pkg:rpm/suse/kernel-source&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209 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%20SP5 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Enterprise%20Storage%206 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS 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%20Server%2012%20SP4-LTSS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCL pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSS 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&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1 pkg:rpm/suse/kernel-syms&distro=SUSE%20OpenStack%20Cloud%209 pkg:rpm/suse/kernel-syms&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209 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%20SP5 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 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%20Server%2015%20SP1-LTSS pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_27&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_31&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5
< 4.12.14-150100.197.114.2+ 108 more
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-16.97.1
- (no CPE)range: < 4.12.14-16.97.1
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-95.99.3
- (no CPE)range: < 4.12.14-122.121.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-95.99.3
- (no CPE)range: < 4.12.14-122.121.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-95.99.3
- (no CPE)range: < 4.12.14-122.121.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-95.99.3
- (no CPE)range: < 4.12.14-122.121.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-122.121.2
- (no CPE)range: < 4.12.14-95.99.3
- (no CPE)range: < 4.12.14-95.99.3
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-122.121.2
- (no CPE)range: < 1-150100.3.3.2
- (no CPE)range: < 1-150000.1.3.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-122.121.1
- (no CPE)range: < 4.12.14-10.89.1
- (no CPE)range: < 4.12.14-10.89.1
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-95.99.2
- (no CPE)range: < 4.12.14-122.121.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-95.99.2
- (no CPE)range: < 4.12.14-122.121.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-95.99.2
- (no CPE)range: < 4.12.14-95.99.2
- (no CPE)range: < 4.12.14-16.97.1
- (no CPE)range: < 4.12.14-16.97.1
- (no CPE)range: < 4.12.14-10.89.1
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-95.99.2
- (no CPE)range: < 4.12.14-122.121.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-95.99.2
- (no CPE)range: < 4.12.14-122.121.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-95.99.2
- (no CPE)range: < 4.12.14-95.99.2
- (no CPE)range: < 4.12.14-16.97.1
- (no CPE)range: < 4.12.14-16.97.1
- (no CPE)range: < 4.12.14-10.89.1
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 4.12.14-150100.197.114.2
- (no CPE)range: < 4.12.14-150000.150.92.2
- (no CPE)range: < 1-6.3.3
- (no CPE)range: < 1-8.5.2

Patches

Vulnerability mechanics

References

git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/nvdPatchVendor Advisory
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6nvdRelease NotesVendor Advisory
lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlnvdMailing ListThird Party Advisory
usn.ubuntu.com/4527-1/nvdThird Party Advisory
www.debian.org/security/2020/dsa-4698nvdThird Party Advisory

News mentions

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cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000