CVE-2018-19824

HIGH

Linux kernel <4.19.6 - Use After Free

Title source: llm
STIX 2.1

Description

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.

References (17)

Core 17
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.suse.com/show_bug.cgi?id=1118152
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3879-2/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3879-1/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/106109
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
Third Party Advisory x_refsource_confirm
https://support.f5.com/csp/article/K98155950
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3930-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3931-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3933-2/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3931-2/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3930-2/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3933-1/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2703

Scores

CVSS v3 7.8
EPSS 0.0006
EPSS Percentile 18.2%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (7)
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
debian/debian_linux 8.0
linux/linux_kernel < 4.19.6
Published Dec 03, 2018
Tracked Since Feb 18, 2026