PT-2024-10329 · Linux+2 · Linux Kernel+2

Rander Wang · Published 2024-02-28 · Updated 2024-12-10 · CVE-2021-47020

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 (affected versions not specified)

Description The issue is related to a memory leak in the soundwire stream config error path. When the stream config fails, the master runtime releases all slave runtime in the slave rt list, but the slave runtime is not added to the list at this time. This can lead to a memory leak. The estimated number of potentially affected devices worldwide is not available. There is no information about real-world incidents where this issue was exploited.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Memory Leak

Weakness Enumeration

CWE-416

CWE-401

Related Identifiers

BDU:2025-00807

BDU:2025-00808

CVE-2021-47020

OPENSUSE-SU-2024_1489-1

SUSE-SU-2024:1454-1

SUSE-SU-2024:1465-1

SUSE-SU-2024:1489-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 356

• https://git.kernel.org/stable/c/2f17ac005b320c85d686088cfd4c2e7017912b88 · Patch
• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20241206SE81 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-47012 · Security Note
• https://ubuntu.com/security/CVE-2021-47012 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-47020 · Security Note
• https://git.kernel.org/stable/c/7c468deae306d0cbbd539408c26cfec04c66159a · Patch
• https://cve.org/CVERecord?id=CVE-2021-47020 · Security Note
• https://git.kernel.org/stable/c/48f17f96a81763c7c8bf5500460a359b9939359f · Patch
• https://osv.dev/vulnerability/SUSE-SU-2024:1454-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-47012 · Vendor Advisory
• https://git.kernel.org/stable/c/effd2bd62b416f6629e18e3ce077c60de14cfdea · Patch
• https://osv.dev/vulnerability/SUSE-SU-2024:1489-1 · Vendor Advisory
• https://git.kernel.org/stable/c/870533403ffa28ff63e173045fc5369365642002 · Patch
• https://git.kernel.org/stable/c/342260fe821047c3d515e3d28085d73fbdce3e80 · Patch
• https://ubuntu.com/security/CVE-2021-47020 · Vendor Advisory