PT-2019-4777 · Linux+4 · Linux Kernel+4

Published 2019-09-10 · Updated 2026-03-13 · CVE-2019-16232

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel version 5.2.14

Description The issue is related to a component in the Linux kernel, specifically with the alloc workqueue, which can lead to a NULL pointer dereference. This could potentially allow a remote attacker to cause a denial of service.

Recommendations For Linux kernel version 5.2.14, consider applying a patch that checks the return value of alloc workqueue to prevent a NULL pointer dereference. As a temporary workaround, restrict access to the vulnerable component to minimize the risk of exploitation.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2019-2700

BDU:2020-01353

CVE-2019-16232

ECHO-9E59-63C1-099D

OPENSUSE-SU-2019:2392-1

OPENSUSE-SU-2019:2444-1

OPENSUSE-SU-2019_2392-1

OPENSUSE-SU-2019_2444-1

OPENSUSE-SU-2024:10728-1

OPENSUSE-SU-2024:13704-1

SUSE-SU-2019:14218-1

SUSE-SU-2019:2879-1

SUSE-SU-2019:2946-1

SUSE-SU-2019:2947-1

SUSE-SU-2019:2949-1

SUSE-SU-2019:2950-1

SUSE-SU-2019:2951-1

SUSE-SU-2019:2952-1

SUSE-SU-2019:2953-1

SUSE-SU-2019:2984-1

SUSE-SU-2019:3294-1

SUSE-SU-2019:3295-1

SUSE-SU-2019_14218-1

SUSE-SU-2020:0093-1

USN-4284-1

USN-4285-1

USN-4287-1

USN-4287-2

USN-4904-1

Affected Products

Alt Linux

Debian

Linux Kernel

Suse

Ubuntu

References · 903

• 🔥 https://lkml.org/lkml/2019/9/9/487 · Exploit
• https://ubuntu.com/security/CVE-2015-1350 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19241 · Vendor Advisory
• https://usn.ubuntu.com/4285-1 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-13-CVE-2019-16232 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-5108 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-5967 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2879-1 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html · Vendor Advisory
• https://osv.dev/vulnerability/USN-4904-1 · Vendor Advisory
• https://usn.ubuntu.com/4284-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2951-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:0093-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19227 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-18786 · Vendor Advisory