PT-2019-4473 · Linux+2 · Linux Kernel+2

Published 2019-08-02 · Updated 2022-04-26 · CVE-2019-19535

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.2.9

Description The issue is related to a lack of protection for service data in the Linux kernel's drivers/net/can/usb/peak usb/pcan usb fd.c driver. It can be exploited by a malicious USB device, potentially allowing an attacker to disclose protected information.

Recommendations For Linux kernel versions prior to 5.2.9, update to version 5.2.9 or later to resolve the issue. As a temporary workaround, consider restricting the use of USB devices to minimize the risk of exploitation.

Fix

Use of Uninitialized Resource

Information Disclosure

Weakness Enumeration

CWE-908

CWE-909

CWE-200

Related Identifiers

ALT-PU-2019-2487

ALT-PU-2019-2488

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:2020-00291

CVE-2019-19535

DLA-2114-1

OPENSUSE-SU-2020:0336-1

OPENSUSE-SU-2020_0336-1

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

Affected Products

Alt Linux

Linux Kernel

Suse

References · 754

• https://osv.dev/vulnerability/SUSE-SU-2020:0511-1 · Vendor Advisory
• https://oracle.com/security-alerts/cpuApr2021.html · Patch
• https://ubuntu.com/security/CVE-2019-19535 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-19535 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-00291 · Security Note
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.9 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-19535 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2019-19535 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:1255-1 · Vendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=30a8beeb3042f49d0537b7050fd21b490166a3d9 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-19535 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2020:0599-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-19535 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2020:0336-1 · Vendor Advisory