Medium severity4.4NVD Advisory· Published May 27, 2020· Updated Jun 17, 2026
CVE-2019-20806
CVE-2019-20806
Description
An issue was discovered in the Linux kernel before 5.2. There is a NULL pointer dereference in tw5864_handle_frame() in drivers/media/pci/tw5864/tw5864-video.c, which may cause denial of service, aka CID-2e7682ebfc75.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
102- Linux/Linux kerneldescription
- osv-coords100 versionspkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/kernel-vanilla&distro=openSUSE%20Leap%2015.1pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP1_Update_12&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1pkg:rpm/suse/kernel-livepatch-SLE15_Update_22&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP1pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_14&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_5&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5
< 4.12.14-lp151.28.52.1+ 99 more
- (no CPE)range: < 4.12.14-lp151.28.52.1
- (no CPE)range: < 4.12.14-lp151.28.52.1
- (no CPE)range: < 4.12.14-lp151.28.52.2
- (no CPE)range: < 4.12.14-lp151.28.52.1
- (no CPE)range: < 4.12.14-lp151.28.52.3
- (no CPE)range: < 4.12.14-lp151.28.52.3
- (no CPE)range: < 4.12.14-lp151.28.52.1
- (no CPE)range: < 4.12.14-lp151.28.52.1
- (no CPE)range: < 4.12.14-lp151.28.52.1
- (no CPE)range: < 4.12.14-8.33.1
- (no CPE)range: < 4.12.14-6.43.1
- (no CPE)range: < 4.12.14-16.16.1
- (no CPE)range: < 4.12.14-6.43.1
- (no CPE)range: < 4.12.14-16.16.1
- (no CPE)range: < 4.12.14-95.54.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-95.54.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-95.54.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-95.54.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-95.54.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-95.54.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 1-3.5.1
- (no CPE)range: < 1-1.3.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-95.54.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-8.23.1
- (no CPE)range: < 4.12.14-10.13.1
- (no CPE)range: < 4.12.14-14.28.1
- (no CPE)range: < 4.12.14-8.23.1
- (no CPE)range: < 4.12.14-10.13.1
- (no CPE)range: < 4.12.14-14.28.1
- (no CPE)range: < 4.12.14-8.33.1
- (no CPE)range: < 4.12.14-6.43.1
- (no CPE)range: < 4.12.14-16.16.1
- (no CPE)range: < 4.12.14-6.43.1
- (no CPE)range: < 4.12.14-16.16.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-95.54.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-95.54.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-8.23.1
- (no CPE)range: < 4.12.14-10.13.1
- (no CPE)range: < 4.12.14-14.28.1
- (no CPE)range: < 4.12.14-8.33.1
- (no CPE)range: < 4.12.14-6.43.1
- (no CPE)range: < 4.12.14-16.16.1
- (no CPE)range: < 4.12.14-6.43.1
- (no CPE)range: < 4.12.14-16.16.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-95.54.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-95.54.1
- (no CPE)range: < 4.12.14-122.23.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-8.23.1
- (no CPE)range: < 4.12.14-10.13.1
- (no CPE)range: < 4.12.14-14.28.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 4.12.14-197.45.1
- (no CPE)range: < 4.12.14-150.66.1
- (no CPE)range: < 1-6.3.1
- (no CPE)range: < 1-8.3.1
Patches
Vulnerability mechanics
References
7- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdPatchVendor Advisory
- github.com/torvalds/linux/commit/2e7682ebfc750177a4944eeb56e97a3f05734528nvdPatchThird Party Advisory
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2nvdRelease NotesVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.htmlnvd
- lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlnvd
- security.netapp.com/advisory/ntap-20200619-0001/nvd
- www.debian.org/security/2020/dsa-4698nvd
News mentions
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