Skip to content
Fencer Intel
medium 6.3

CVE-2019-19529 json

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/mc…

published 6y ago modified 4mo ago also EUVD-2019-9147

cvss
6.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

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.

Patch / fix

  • linux linux_kernel 5.3.11
  • linux Debian 14, Debian 13, Debian 12 5.3.15-1

debian advisories DEBIAN-CVE-2019-19529

  • linux Ubuntu 18.04 LTS 4.15.0-74.84
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1057.59
  • linux-gcp Ubuntu 16.04 LTS 4.15.0-1052.56
  • linux-gcp Ubuntu 18.04 LTS 5.0.0-1028.29~18.04.1
  • linux-hwe Ubuntu 16.04 LTS 4.15.0-74.83~16.04.1
  • linux-hwe Ubuntu 18.04 LTS 5.3.0-26.28~18.04.1
  • linux-kvm Ubuntu 18.04 LTS 4.15.0-1052.52
  • linux-oem Ubuntu 18.04 LTS 4.15.0-1066.76

ubuntu advisories UBUNTU-CVE-2019-19529

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel-rt Real Time Module 15 SP1 4.12.14-14.17.1
  • kernel-syms-rt Real Time Module 15 SP1 4.12.14-14.17.1
  • kernel-rt_debug Real Time Module 15 SP1 4.12.14-14.17.1
  • kernel-source-rt Real Time Module 15 SP1 4.12.14-14.17.1
  • kernel-rt SLE Real Time 12 SP4 4.12.14-8.12.1
  • kernel-syms-rt SLE Real Time 12 SP4 4.12.14-8.12.1
  • kernel-rt_debug SLE Real Time 12 SP4 4.12.14-8.12.1
  • kernel-source-rt SLE Real Time 12 SP4 4.12.14-8.12.1

suse advisories SUSE-SU-2020:0613-1SUSE-SU-2020:0599-1SUSE-SU-2020:0584-1SUSE-SU-2020:0093-1SUSE-SU-2019:3389-1SUSE-SU-2019:3381-1

  • kernel-syms openSUSE Leap 15.1 4.12.14-lp151.28.36.1
  • kernel-obs-qa openSUSE Leap 15.1 4.12.14-lp151.28.36.1
  • kernel-source openSUSE Leap 15.1 4.12.14-lp151.28.36.1
  • kernel-default openSUSE Leap 15.1 4.12.14-lp151.28.36.1
  • kernel-vanilla openSUSE Leap 15.1 4.12.14-lp151.28.36.1
  • kernel-kvmsmall openSUSE Leap 15.1 4.12.14-lp151.28.36.1
  • kernel-obs-build openSUSE Leap 15.1 4.12.14-lp151.28.36.1

opensuse advisories openSUSE-SU-2019:2675-1

Is CVE-2019-19529 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-19529 updated cvss 6.3

kernel: use-after-free bug caused by a malicious USB device in the drivers/net/can/usb/mcba_usb.c

  • Red Hat Enterprise Linux 7 perf, kernel, kernel-alt, python-perf, kernel-kdump, kernel-tools, +3 more
    affected: workaround, no fix planned “Will not fix”
  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 kernel, bpftool, kernel-rt, kernel-rt-kvm, kernel-rt-trace, kernel-rt-debug-kvm, +1 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 6.3 CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.