PT-2019-4095 · Linux+2 · Linux Kernel+2

Published 2019-10-04 · Updated 2023-01-19 · CVE-2019-19053

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 5.3.11

Description The issue is related to a memory leak in the rpmsg eptdev write iter() function, which can cause a denial of service due to memory consumption. This can be triggered by causing copy from iter full() failures. The vulnerability allows remote attackers to exploit this issue, leading to a denial of service.

Recommendations For Linux kernel versions prior to 5.3.11, update to a version 5.3.11 or later to resolve the issue. At the moment, there is no information about additional mitigation measures for this vulnerability.

Fix

DoS

Memory Leak

Resource Exhaustion

Weakness Enumeration

CWE-401

CWE-400

Related Identifiers

ALT-PU-2020-1046

ALT-PU-2020-1048

ALT-PU-2020-1067

ALT-PU-2020-1421

ALT-PU-2020-1450

ALT-PU-2020-1714

BDU:2019-04663

CVE-2019-19053

USN-4300-1

USN-4301-1

Affected Products

Alt Linux

Linux Kernel

Ubuntu

References · 32

• https://github.com/torvalds/linux/commit/bbe692e349e2a1edf3fe0a29a0e05899c9c94d51 · Patch
• https://usn.ubuntu.com/4301-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-19053 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20241206SE81 · Vendor Advisory
• https://usn.ubuntu.com/4300-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19056 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-18809 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-19053 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-4300-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-4301-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-2732 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19068 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19043 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-19053 · Security Note
• https://bdu.fstec.ru/vul/2019-04663 · Security Note