Medium severity6.3NVD Advisory· Published Dec 3, 2019· Updated Jun 17, 2026

CVE-2019-19529

Description

In the Linux kernel before 5.3.11, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/net/can/usb/mcba_usb.c driver, aka CID-4d6636498c41.

AI Insight

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

Affected products

Linux/Linux kerneldescription
Linux/Kernel2 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: <5.3.11
- (no CPE)range: <5.3.11
Canonical/Ubuntu Linux5 versions
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*+ 4 more
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
osv-coords84 versions
pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015 pkg:rpm/suse/kernel-livepatch-SLE15_Update_17&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-source-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%20Server%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-source-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%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1 pkg:rpm/suse/kernel-livepatch-SLE15-SP1_Update_8&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_12&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-syms-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-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP4 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_2&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4 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
< 4.12.14-6.34.1+ 83 more
- (no CPE)range: < 4.12.14-6.34.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 1-1.3.2
- (no CPE)range: < 4.12.14-122.12.1
- (no CPE)range: < 4.12.14-122.12.1
- (no CPE)range: < 4.12.14-122.12.1
- (no CPE)range: < 4.12.14-122.12.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-5.47.1
- (no CPE)range: < 4.12.14-5.47.1
- (no CPE)range: < 4.12.14-6.34.1
- (no CPE)range: < 4.12.14-6.34.1
- (no CPE)range: < 4.12.14-6.34.1
- (no CPE)range: < 4.12.14-6.34.1
- (no CPE)range: < 4.12.14-6.34.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-197.29.2
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 4.12.14-8.22.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-122.12.1
- (no CPE)range: < 1-6.3.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-8.12.1
- (no CPE)range: < 4.12.14-8.12.1
- (no CPE)range: < 4.12.14-14.17.1
- (no CPE)range: < 4.12.14-14.17.1
- (no CPE)range: < 4.12.14-14.17.1
- (no CPE)range: < 4.12.14-5.47.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-14.17.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-122.12.1
- (no CPE)range: < 4.12.14-122.12.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-16.7.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-8.12.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-95.48.1
- (no CPE)range: < 4.12.14-122.12.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-197.29.1
- (no CPE)range: < 4.12.14-8.22.1
- (no CPE)range: < 4.12.14-8.22.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 4.12.14-150.47.1
- (no CPE)range: < 1-8.5.1
- (no CPE)range: < 4.12.14-122.12.1
- (no CPE)range: < 4.12.14-122.12.1
- (no CPE)range: < 4.12.14-122.12.1
- (no CPE)range: < 4.12.14-8.12.1
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-lp151.28.36.1
- (no CPE)range: < 4.12.14-lp151.28.36.1

Patches

Vulnerability mechanics

References

git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/nvdPatchVendor Advisory
lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.htmlnvdThird Party Advisory
www.openwall.com/lists/oss-security/2019/12/03/4nvdMailing ListThird Party Advisory
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11nvdVendor Advisory
usn.ubuntu.com/4225-1/nvdThird Party Advisory
usn.ubuntu.com/4225-2/nvdThird Party Advisory
usn.ubuntu.com/4226-1/nvdThird Party Advisory
usn.ubuntu.com/4227-1/nvdThird Party Advisory
usn.ubuntu.com/4227-2/nvdThird Party Advisory

News mentions

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cvss	0.410
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000