PT-2019-4097 · Linux+3 · Linux Kernel+3

Published 2019-09-11 · Updated 2022-11-07 · CVE-2019-19051

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.3.11

Description A memory leak in the i2400m op rfkill sw toggle() function in the Linux kernel allows attackers to cause a denial of service (memory consumption). This issue is related to uncontrolled resource consumption and can be exploited by a remote attacker to cause a service disruption.

Recommendations For Linux kernel versions prior to 5.3.11, update to version 5.3.11 or later to resolve the issue. As a temporary workaround, consider disabling the i2400m op rfkill sw toggle() function until a patch is available.

Fix

DoS

Memory Leak

Resource Exhaustion

Weakness Enumeration

CWE-401

CWE-400

Related Identifiers

ALT-PU-2019-3131

ALT-PU-2019-3155

ALT-PU-2019-3184

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:2019-04665

CVE-2019-19051

DLA-2068-1

DLA-2114-1

OPENSUSE-SU-2020:0336-1

OPENSUSE-SU-2020_0336-1

SUSE-SU-2019:3316-1

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

USN-4225-1

USN-4225-2

USN-4286-1

USN-4286-2

USN-4302-1

USN-4344-1

Affected Products

Alt Linux

Linux Kernel

Suse

Ubuntu

References · 750

• https://github.com/torvalds/linux/commit/6f3ef5c25cc762687a7341c18cbea5af54461407 · Patch
• http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-10942 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-04665 · Security Note
• https://osv.dev/vulnerability/USN-4302-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-4344-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:3381-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19768 · Vendor Advisory
• https://usn.ubuntu.com/4302-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:0599-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-19051 · Security Note
• https://osv.dev/vulnerability/CVE-2019-19051 · Vendor Advisory
• https://usn.ubuntu.com/4344-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:0560-1 · Vendor Advisory
• https://usn.ubuntu.com/4225-2 · Vendor Advisory