What is CVE-2018-19824?

CVE-2018-19824 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2018-12-03.

How severe is CVE-2018-19824?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2018-19824 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Use After Free in Linux Kernel

CVE-2018-19824

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.

Vulnerability class: Use-After-Free

Published 2018-12-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (44.8th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Linux Kernel
Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-416 — Use After Free

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

github.com/torvalds/linux/commit/5f8cf712582617d523120df67d392059eaf2fc4b (Patch, Vendor Advisory)
bugzilla.suse.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
usn.ubuntu.com/3879-2/ (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/3879-1/ (vendor-advisory, Third Party Advisory)
git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/ (Patch, Vendor Advisory)
www.securityfocus.com/bid/106109 (VDB Entry, Third Party Advisory, vdb-entry)
lists.debian.org/debian-lts-announce/2019/03/msg00034.html (mailing-list, Mailing List, Third Party Advisory)
support.f5.com/csp/article/K98155950 (Third Party Advisory)
lists.debian.org/debian-lts-announce/2019/04/msg00004.html (mailing-list, Mailing List, Third Party Advisory)
usn.ubuntu.com/3930-1/ (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2018-19824?: CVE-2018-19824 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2018-12-03.
How severe is CVE-2018-19824?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-19824 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.