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Fencer Vulns
high 7.8

CVE-2018-19824 json

In the Linux kernel through 4.19.6, a local user could exploit a use-after-free in the ALSA driver by supplying a malicious USB Sound devic…

published 2018-12-03 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-11499

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

In the Linux kernel through 4.19.6, a local user could exploit a use-after-free in the ALSA driver by supplying a malicious USB Sound device (with zero interfaces) that is mishandled in usb_audio_probe in sound/usb/card.c.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 4.19.9-1

debian advisories DEBIAN-CVE-2018-19824

  • linux Ubuntu 14.04 LTS 3.13.0-168.218
  • linux Ubuntu 16.04 LTS 4.4.0-142.168
  • linux Ubuntu 18.04 LTS 4.15.0-47.50
  • linux-aws Ubuntu 14.04 LTS 4.4.0-1038.41
  • linux-aws Ubuntu 16.04 LTS 4.4.0-1075.85
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1035.37
  • linux-gcp Ubuntu 16.04 LTS 4.15.0-1029.31~16.04.1
  • linux-gcp Ubuntu 18.04 LTS 4.15.0-1029.31

ubuntu advisories UBUNTU-CVE-2018-19824

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 RHEL 8 4.18.0-80.11.1.el8_0
  • perf RHEL 8 4.18.0-80.11.1.el8_0
  • bpftool RHEL 8 4.18.0-80.11.1.el8_0
  • kernel-core RHEL 8 4.18.0-80.11.1.el8_0
  • kernel-tools RHEL 8 4.18.0-80.11.1.el8_0
  • python3-perf RHEL 8 4.18.0-80.11.1.el8_0
  • kernel-modules RHEL 8 4.18.0-80.11.1.el8_0
  • kernel-zfcpdump RHEL 8 4.18.0-80.11.1.el8_0

red hat advisories RHSA-2019:2703RHSA-2019:2029RHSA-2019:2741

  • kernel-ec2 SLE Module for Public Cloud 12 3.12.74-60.64.110.1
  • ocfs2 SLE Real Time 11 SP4, SLE High Availability Extension 11 SP4 1.6-0.28.7.1
  • kernel-ec2 SLES for SAP 11 SP4, SLES 11 SP4 3.0.101-108.87.1
  • kernel-pae SLES for SAP 11 SP4, SLES 11 SP4 3.0.101-108.87.1
  • kernel-xen SLES for SAP 11 SP4, SLES 11 SP4 3.0.101-108.87.1
  • kernel-syms SLES for SAP 11 SP4, SLES 11 SP4 3.0.101-108.87.1
  • kernel-ppc64 SLES for SAP 11 SP4, SLES 11 SP4 3.0.101-108.87.1
  • kernel-trace SLES for SAP 11 SP4, SLES 11 SP4 3.0.101-108.87.1

suse advisories SUSE-SU-2019:1289-1SUSE-SU-2019:13979-1SUSE-SU-2019:0541-1SUSE-SU-2019:0439-1SUSE-SU-2019:0320-1SUSE-SU-2019:0224-1

  • kernel-source openSUSE Tumbleweed 5.14.6-1.4
  • kernel-source openSUSE Tumbleweed 6.6.17-1.1
  • kernel-source openSUSE Leap 15.0 4.12.14-lp150.12.45.1

opensuse advisories openSUSE-SU-2024:10728-1openSUSE-SU-2024:13704-1openSUSE-SU-2019:0065-1

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-2018-19824 updated cvss 6.6

kernel: Use-after-free in sound/usb/card.c:usb_audio_probe()

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 perf, kernel, kernel-rt, kernel-alt, python-perf, kernel-kdump, +8 more
    affected: no fix available, no fix planned “Will not fix”
  • Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    affected: no fix planned “Will not fix”
  • Red Hat CodeReady Linux Builder (v. 8) kernel-debuginfo-common-x86_64 4.18.0-80.11.1.el8_0, kernel-debuginfo-common-aarch64 4.18.0-80.11.1.el8_0, kernel-debuginfo-common-ppc64le 4.18.0-80.11.1.el8_0 Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-80.11.1.el8_0, kernel 4.18.0-80.11.1.el8_0, bpftool 4.18.0-80.11.1.el8_0, kernel-core 4.18.0-80.11.1.el8_0, kernel-tools 4.18.0-80.11.1.el8_0, python3-perf 4.18.0-80.11.1.el8_0, +15 more
    fixed: vendor fix RHSA-2019:2703
  • Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-1062.el7, kernel 3.10.0-1062.el7, bpftool 3.10.0-1062.el7, python-perf 3.10.0-1062.el7, kernel-tools 3.10.0-1062.el7, kernel-tools-libs 3.10.0-1062.el7, +2 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1062.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-1062.el7, kernel 3.10.0-1062.el7, bpftool 3.10.0-1062.el7, python-perf 3.10.0-1062.el7, kernel-tools 3.10.0-1062.el7, kernel-tools-libs 3.10.0-1062.el7, +2 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1062.el7
    fixed: vendor fix RHSA-2019:2029
  • Red Hat Enterprise Linux Real Time (v. 8) kernel-rt 4.18.0-80.11.1.rt9.156.el8_0, kernel-rt-core 4.18.0-80.11.1.rt9.156.el8_0, kernel-rt-modules 4.18.0-80.11.1.rt9.156.el8_0, kernel-rt-debug-core 4.18.0-80.11.1.rt9.156.el8_0, kernel-rt-debug-modules 4.18.0-80.11.1.rt9.156.el8_0, kernel-rt-modules-extra 4.18.0-80.11.1.rt9.156.el8_0, +2 more Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt 4.18.0-80.11.1.rt9.156.el8_0, kernel-rt-kvm 4.18.0-80.11.1.rt9.156.el8_0, kernel-rt-core 4.18.0-80.11.1.rt9.156.el8_0, kernel-rt-modules 4.18.0-80.11.1.rt9.156.el8_0, kernel-rt-debug-kvm 4.18.0-80.11.1.rt9.156.el8_0, kernel-rt-debug-core 4.18.0-80.11.1.rt9.156.el8_0, +4 more
    fixed: vendor fix RHSA-2019:2741
  • Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-1062.el7, kernel 3.10.0-1062.el7, bpftool 3.10.0-1062.el7, python-perf 3.10.0-1062.el7, kernel-kdump 3.10.0-1062.el7, kernel-tools 3.10.0-1062.el7, +7 more Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-1062.el7, kernel-debuginfo-common-x86_64 3.10.0-1062.el7, kernel-debuginfo-common-ppc64le 3.10.0-1062.el7 Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-1062.el7, kernel 3.10.0-1062.el7, bpftool 3.10.0-1062.el7, python-perf 3.10.0-1062.el7, kernel-tools 3.10.0-1062.el7, kernel-tools-libs 3.10.0-1062.el7, +2 more Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1062.el7
    fixed: vendor fix RHSA-2019:2029
  • Red Hat Enterprise Linux 5 kernel
    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

0.56% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns 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.