PT-2019-3978 · Linux+5 · Linux Kernel+5

Published 2019-10-28 · Updated 2021-05-28 · CVE-2019-18811

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 5.3.9

Description The issue is related to a memory leak in the sof set get large ctrl data() function, located in sound/soc/sof/ipc.c. This memory leak can be triggered by causing sof get ctrl copy params() failures, leading to a denial of service due to memory consumption. The vulnerability can be exploited by a remote attacker to cause a denial of service.

Recommendations For Linux kernel versions through 5.3.9, update to a version that contains a fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Memory Leak

Resource Exhaustion

Weakness Enumeration

CWE-401

CWE-400

Related Identifiers

ALSA-2021:1578

ALT-PU-2019-3113

ALT-PU-2019-3136

ALT-PU-2019-3184

ALT-PU-2020-1198

ALT-PU-2020-1421

ALT-PU-2020-1450

ALT-PU-2020-1501

ALT-PU-2020-1714

ALT-PU-2020-2410

ALT-PU-2020-2433

ALT-PU-2021-1870

BDU:2019-04509

CESA-2021_1578

CVE-2019-18811

RHSA-2021:1578

RHSA-2021_1578

USN-4284-1

Affected Products

Alt Linux

Almalinux

Centos

Linux Kernel

Red Hat

Ubuntu

References · 69

• https://github.com/torvalds/linux/commit/45c1380358b12bf2d1db20a5874e9544f56b34ab · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2019-18811 · Security Note
• https://ubuntu.com/security/CVE-2019-18786 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19965 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19057 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-18811 · Security Note
• https://ubuntu.com/security/CVE-2019-15291 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-16232 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19947 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19332 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19077 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2021:1578 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19063 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19062 · Vendor Advisory