PT-2019-4096 · Linux+4 · Linux Kernel+4

Robert Frohl · Published 2019-10-05 · Updated 2024-08-05 · CVE-2019-19055

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 through 5.3.11

Description A memory leak in the nl80211 get ftm responder stats() function in net/wireless/nl80211.c allows attackers to cause a denial of service (memory consumption) by triggering nl80211hdr put() failures. This issue occurs on a code path where a successful allocation has already occurred, and its relevance is disputed by third parties.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Memory Leak

Resource Exhaustion

Weakness Enumeration

CWE-401

CWE-400

Related Identifiers

ALT-PU-2019-3180

ALT-PU-2019-3184

ALT-PU-2019-3268

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:2019-04664

CESA-2020_1567

CESA-2020_1769

CESA-2020_4060

CVE-2019-19055

RHSA-2020:1567

RHSA-2020:1769

RHSA-2020:4060

RHSA-2020:4062

RHSA-2020_1567

RHSA-2020_1769

RHSA-2020_4060

RHSA-2020_4062

USN-4225-1

USN-4225-2

USN-4226-1

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Ubuntu

References · 59

• https://github.com/torvalds/linux/commit/1399c59fa92984836db90538cf92397fe7caaa57 · Patch
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-19055 · Security Note
• https://ubuntu.com/security/notices/USN-4225-2 · Vendor Advisory
• https://usn.ubuntu.com/4225-1 · Vendor Advisory
• https://usn.ubuntu.com/4226-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-17133 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19047 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-04664 · Security Note
• https://linux.oracle.com/errata/ELSA-2020-4060.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-19055 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19807 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF · Vendor Advisory
• https://osv.dev/vulnerability/USN-4225-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-16231 · Vendor Advisory