PT-2024-11199 · Linux+3 · Linux Kernel+3

Published 2021-05-12 · Updated 2025-05-13 · CVE-2021-47150

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 A potential memory leak in the fec enet init() function has been resolved. If the memory allocated for cbd base fails, it should free the memory allocated for the queues to prevent a memory leak. If the memory allocated for the queues fails, it can return an error directly.

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

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2025-07360

CVE-2021-47150

OPENSUSE-SU-2024_1489-1

SUSE-SU-2024:1465-1

SUSE-SU-2024:1489-1

SUSE-SU-2024:1643-1

SUSE-SU-2024:1646-1

SUSE-SU-2024:1870-1

USN-7496-1

USN-7496-2

USN-7496-3

USN-7496-4

USN-7496-5

USN-7506-1

USN-7506-2

USN-7506-3

USN-7506-4

Affected Products

Astra Linux

Linux Kernel

Suse

Ubuntu

References · 671

• 🔥 https://github.com/Kakashiiiiy/CVE-2021-29155 · Exploit
• 🔥 https://github.com/benschlueter/CVE-2021-29155 · Exploit
• https://osv.dev/vulnerability/USN-7506-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7506-2 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-47150 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-53063 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-47150 · Vendor Advisory
• https://git.kernel.org/stable/c/32a1777fd113335c3f70dc445dffee0ad1c6870f · Patch
• https://ubuntu.com/security/CVE-2021-47245 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7496-2 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7496-4 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:1646-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-47587 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-53140 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52927 · Vendor Advisory