PT-2024-11474 · Linux+3 · Linux Kernel+3

Published 2021-12-09 · Updated 2024-08-19 · CVE-2021-47513

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 memory leak issue has been resolved in the Linux kernel. The issue occurs when there is no CPU port defined, causing a memory leak in the felix setup mmio filtering function.

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

Exploit

Resource Exhaustion

Memory Leak

Weakness Enumeration

CWE-400

CWE-401

Related Identifiers

BDU:2025-03662

CVE-2021-47513

OPENSUSE-SU-2024_2189-1

SUSE-SU-2024:2008-1

SUSE-SU-2024:2011-1

SUSE-SU-2024:2019-1

SUSE-SU-2024:2189-1

SUSE-SU-2024:2190-1

Affected Products

Astra Linux

Linux Kernel

Red Os

Suse

References · 1246

• 🔥 https://github.com/lanleft/CVE-2023-1829 · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2024:2019-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-47513 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47513 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2190-1 · Vendor Advisory
• https://git.kernel.org/stable/c/973a0373e88cc19129bd6ef0ec193040535397d9 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-47513 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-47513 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2008-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-47513 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-47513 · Security Note
• https://osv.dev/vulnerability/CVE-2021-47513 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2189-1 · Vendor Advisory
• https://git.kernel.org/stable/c/e8b1d7698038e76363859fb47ae0a262080646f5 · Patch
• https://bdu.fstec.ru/vul/2025-03662 · Security Note