PT-2019-6460 · Linux+2 · Linux Kernel+2

Published 2019-05-23 · Updated 2026-03-14 · CVE-2019-12379

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 5.1.5

Description The issue is related to the con insert unipair function in the drivers/tty/vt/consolemap.c component of the Linux kernel, which is associated with incorrect memory deallocation before removing the last reference. Exploitation of this issue may allow an attacker to cause a denial of service. There is a memory leak in a certain case of an ENOMEM outcome of kmalloc.

Recommendations For Linux kernel versions through 5.1.5, consider updating to a version that includes a fix for the memory leak issue in the con insert unipair function. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

ALT-PU-2019-2024

ALT-PU-2019-2036

ALT-PU-2019-2120

ALT-PU-2019-2311

ALT-PU-2020-1198

ALT-PU-2020-1501

ALT-PU-2020-2410

ALT-PU-2020-2433

ALT-PU-2021-1870

BDU:2024-09047

CVE-2019-12379

ECHO-96AB-4BED-6744

Affected Products

Alt Linux

Debian

Linux Kernel

References · 21

• https://cve.org/CVERecord?id=CVE-2019-12379 · Security Note
• https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-next&id=84ecc2f6eb1cb12e6d44818f94fa49b50f06e6ac · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLGWJKLMTBBB53D5QLS4HOY2EH246WBE · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2019-12379 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-09047 · Security Note
• https://ubuntu.com/security/CVE-2019-12379 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2019-12379 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-12379 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J36BIJTKEPUOZKJNHQBUZA47RQONUKOI · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-12379 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2019-12379 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-12379 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-12379 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-13-CVE-2019-12379 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20241017SE16 · Vendor Advisory