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CVE-2018-19824

25
FAUCET Score

CVE-2018-19824 is a use-after-free vulnerability in the ALSA driver of the Linux kernel, affecting versions through 4.19.6, including various Canonical and Debian Linux distributions. A local attacker can exploit this by connecting a specially crafted USB Sound device with zero interfaces. Rated 7.8 HIGH on CVSS, this vulnerability has low attack complexity and requires local privileges, but could lead to high confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.19.6CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.56%
Probability of exploitation in next 30 days
EPSS Percentile
43.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0056 is in the 83rd percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-80.11.1.rt9.156.el8_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-80.11.1.el8_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-1062.el7
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-alt

Vendor Advisories (1)

redhatCVE-2018-19824Moderate

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

Dec 4, 2018

References

access.redhat.com / errata/RHSA-2019:2703
bugzilla.suse.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
github.com / torvalds/linux/commit/5f8cf712582617d523120df67d392059eaf2fc4b
PatchVendor Advisory
git.kernel.org / pub/scm/linux/kernel/git/tiwai/sound.git/commit
PatchVendor Advisory
lists.debian.org / debian-lts-announce/2019/03/msg00034.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2019/04/msg00004.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2019/05/msg00002.html
Mailing ListThird Party Advisory
support.f5.com / csp/article/K98155950
Third Party Advisory
usn.ubuntu.com / 3879-1
Third Party Advisory
usn.ubuntu.com / 3879-2
Third Party Advisory
usn.ubuntu.com / 3930-1
Third Party Advisory
usn.ubuntu.com / 3930-2
Third Party Advisory
usn.ubuntu.com / 3931-1
Third Party Advisory
usn.ubuntu.com / 3931-2
Third Party Advisory
usn.ubuntu.com / 3933-1
Third Party Advisory
usn.ubuntu.com / 3933-2
Third Party Advisory
securityfocus.com / bid/106109
Third Party AdvisoryVDB Entry