PT-2019-4474 · Linux+5 · Linux Kernel+5

Xogium · Published 2019-10-04 · Updated 2022-10-31 · CVE-2019-19523

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Medium

Base vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.3.7

Description The issue is related to a use-after-free bug in the drivers/usb/misc/adutux.c driver of the Linux kernel. This bug can be triggered by a malicious USB device, potentially leading to a denial of service.

Recommendations For Linux kernel versions prior to 5.3.7, update to version 5.3.7 or later to resolve the issue. As a temporary workaround, consider disabling the use of USB devices from untrusted sources until the update is applied.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALSA-2021:1578

ALT-PU-2019-2996

ALT-PU-2019-3061

ALT-PU-2019-3066

ALT-PU-2020-1198

ALT-PU-2020-1421

ALT-PU-2020-1450

ALT-PU-2020-1501

ALT-PU-2020-1714

ALT-PU-2020-2410

ALT-PU-2020-2433

ALT-PU-2021-1870

BDU:2020-00292

CESA-2020_4060

CESA-2021_1578

CESA-2021_1739

CVE-2019-19523

DLA-2068-1

DLA-2114-1

OPENSUSE-SU-2020:0336-1

OPENSUSE-SU-2020_0336-1

RHSA-2020:4060

RHSA-2020:4062

RHSA-2020_4060

RHSA-2020_4062

RHSA-2021:1578

RHSA-2021:1739

RHSA-2021_1578

RHSA-2021_1739

SUSE-SU-2019:3316-1

SUSE-SU-2019:3379-1

SUSE-SU-2019:3381-1

SUSE-SU-2019:3389-1

SUSE-SU-2020:0093-1

SUSE-SU-2020:0511-1

SUSE-SU-2020:0560-1

SUSE-SU-2020:0584-1

SUSE-SU-2020:0599-1

SUSE-SU-2020:0613-1

SUSE-SU-2020:1255-1

SUSE-SU-2020:14354-1

Affected Products

Alt Linux

Almalinux

Centos

Linux Kernel

Red Hat

Suse

References · 800

• https://security-tracker.debian.org/tracker/CVE-2019-19523 · Vendor Advisory
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.7 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2021-1578.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:3379-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:0584-1 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2020-5670.html · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2020-5710.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-19523 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-19523 · Security Note
• https://ubuntu.com/security/CVE-2019-19523 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:3389-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-19523 · Security Note
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=44efc269db7929f6275a1fa927ef082e533ecde0 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:14354-1 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2020-5706.html · Vendor Advisory