PT-2019-4468 · Linux+4 · Linux Kernel+4

Published 2019-08-15 · Updated 2022-10-31 · CVE-2019-19530

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 5.2.10

Description The issue is related to a use-after-free bug in the Linux kernel, specifically in the drivers/usb/class/cdc-acm.c driver. This bug can be triggered by a malicious USB device, potentially allowing an attacker to cause a denial of service.

Recommendations For Linux kernel versions prior to 5.2.10, update to version 5.2.10 or later to resolve the issue. As a temporary workaround, consider restricting the use of USB devices from untrusted sources to minimize the risk of exploitation.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2019-2537

ALT-PU-2019-2545

ALT-PU-2019-2655

ALT-PU-2019-2746

ALT-PU-2020-1198

ALT-PU-2020-1501

ALT-PU-2020-2410

ALT-PU-2020-2433

ALT-PU-2021-1870

BDU:2020-00286

CESA-2020_4060

CVE-2019-19530

DLA-2068-1

DLA-2114-1

OPENSUSE-SU-2019:2675-1

OPENSUSE-SU-2019_2675-1

RHSA-2020:4060

RHSA-2020:4062

RHSA-2020_4060

RHSA-2020_4062

SUSE-SU-2019:3289-1

SUSE-SU-2019:3316-1

SUSE-SU-2019:3317-1

SUSE-SU-2019:3372-1

SUSE-SU-2019:3379-1

SUSE-SU-2019:3381-1

SUSE-SU-2019:3389-1

SUSE-SU-2020:0093-1

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

Centos

Linux Kernel

Red Hat

Suse

References · 755

• https://ubuntu.com/security/CVE-2019-19530 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-19530 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-19530 · Security Note
• https://osv.dev/vulnerability/CVE-2019-19530 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-00286 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-19530 · 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://osv.dev/vulnerability/SUSE-SU-2019:3289-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:3389-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-19530 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2020:14354-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:3317-1 · Vendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c52873e5a1ef72f845526d9f6a50704433f9c625 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2019:2675-1 · Vendor Advisory