PT-2019-5267 · Linux+2 · Linux Kernel+2

Published 2019-10-10 · Updated 2023-01-17 · CVE-2019-19048

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 versions prior to 5.3.9

Description The issue is related to a memory leak in the crypto reportstat() function, which can lead to a denial of service due to memory consumption. This can be triggered by causing copy from user() failures. The estimated number of potentially affected devices worldwide is not specified. There is no information about real-world incidents where this issue was exploited.

Recommendations For Linux kernel versions prior to 5.3.9, update to version 5.3.9 or later to resolve the issue. As a temporary workaround, consider restricting system resources to minimize the risk of exploitation due to memory consumption.

Fix

DoS

Memory Leak

Resource Exhaustion

Weakness Enumeration

CWE-401

CWE-400

Related Identifiers

ALT-PU-2019-3113

ALT-PU-2019-3128

ALT-PU-2019-3136

ALT-PU-2019-3138

ALT-PU-2019-3184

ALT-PU-2020-1024

ALT-PU-2020-1421

ALT-PU-2020-1450

ALT-PU-2020-1714

ALT-PU-2020-2410

ALT-PU-2020-2433

BDU:2020-02161

CVE-2019-19048

USN-4208-1

USN-4226-1

Affected Products

Alt Linux

Linux Kernel

Ubuntu

References · 57

• https://github.com/torvalds/linux/commit/e0b0cb9388642c104838fac100a4af32745621e2 · Patch
• https://ubuntu.com/security/CVE-2019-19526 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-14895 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19065 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-4208-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-18660 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19061 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19052 · Vendor Advisory
• https://osv.dev/vulnerability/USN-4226-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-16233 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19072 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19083 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-4226-1 · Vendor Advisory
• https://usn.ubuntu.com/4226-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-19048 · Vendor Advisory