PT-2019-5319 · Linux+4 · Linux Kernel+4

Jian Luo · Published 2019-05-29 · Updated 2021-05-28 · CVE-2019-15807

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 5.1.13

Description The issue is related to an uncontrolled resource consumption in the Linux kernel's drivers/scsi/libsas/sas expander.c component. It is caused by a memory leak that occurs when SAS expander discovery fails, leading to a denial of service.

Recommendations For Linux kernel versions prior to 5.1.13, update to version 5.1.13 or later to resolve the issue.

Fix

DoS

Memory Leak

Resource Exhaustion

Weakness Enumeration

CWE-401

CWE-400

CWE-399

Related Identifiers

ALT-PU-2019-2135

ALT-PU-2019-2200

ALT-PU-2019-2201

ALT-PU-2019-2314

ALT-PU-2020-1198

ALT-PU-2020-1501

ALT-PU-2020-2410

ALT-PU-2020-2433

ALT-PU-2021-1870

BDU:2020-02385

CESA-2020_4060

CVE-2019-15807

DLA-1919-1

DLA-1919-2

DLA-1930-1

RHSA-2020:4060

RHSA-2020:4062

RHSA-2020_4060

RHSA-2020_4062

SUSE-SU-2019:14218-1

SUSE-SU-2019:2949-1

SUSE-SU-2019:2950-1

SUSE-SU-2019:2984-1

SUSE-SU-2019_14218-1

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

References · 193

• https://osv.dev/vulnerability/DEBIAN-CVE-2019-15807 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2949-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2984-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-15807 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2020-5512.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:14218-1 · Vendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0541791453fbe7f42867e310e0c9eb6295364d · Patch
• https://cve.org/CVERecord?id=CVE-2019-15807 · Security Note
• https://bdu.fstec.ru/vul/2020-02385 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2019:2950-1 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-1930-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-15807 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-15807 · Security Note
• https://linux.oracle.com/errata/ELSA-2020-4060.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-15807 · Vendor Advisory