PT-2019-14470 · Linux+4 · Linux Kernel+4

Published 2019-04-03 · Updated 2021-05-28 · CVE-2019-15921

Positive Technologies (AI Summary)

CVSS v3.1

4.7

Medium

Base vector

AV:L/AC:H/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 5.0.6

Description A memory leak issue was discovered in the Linux kernel. This issue occurs when idr alloc() fails in genl register family() in net/netlink/genlink.c.

Recommendations For versions prior to 5.0.6, update to version 5.0.6 or later to resolve the issue.

Exploit

Fix

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

ALT-PU-2019-1584

ALT-PU-2019-1710

ALT-PU-2020-1198

ALT-PU-2020-1501

ALT-PU-2020-2410

ALT-PU-2020-2433

ALT-PU-2021-1870

CESA-2019_3309

CESA-2019_3517

CVE-2019-15921

OPENSUSE-SU-2019:2173-1

OPENSUSE-SU-2019:2181-1

OPENSUSE-SU-2019_2173-1

OPENSUSE-SU-2019_2181-1

RHSA-2019:3309

RHSA-2019:3517

RHSA-2019_3309

RHSA-2019_3517

SUSE-SU-2019:2412-1

SUSE-SU-2019:2414-1

SUSE-SU-2019:2424-1

SUSE-SU-2019:2648-1

SUSE-SU-2019:2651-1

SUSE-SU-2019:2658-1

SUSE-SU-2019:2738-1

SUSE-SU-2019:2756-1

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

References · 549

• 🔥 https://github.com/torvalds/linux/commit/ceabee6c59943bdd5e1da1a6a20dc7ee5f8113a2 · Exploit
• https://osv.dev/vulnerability/openSUSE-SU-2019:2181-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2019:2173-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2414-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-15921 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2756-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-15921 · Vendor Advisory
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2424-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2658-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2648-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-15921 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-15921 · Security Note
• http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html · Vendor Advisory