CVE-2021-47513

MEDIUM

Linux Kernel 5.15-5.15.7 - Use-After-Free in DSA Felix MMIO Filtering Setup

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: net: dsa: felix: Fix memory leak in felix_setup_mmio_filtering Avoid a memory leak if there is not a CPU port defined. Addresses-Coverity-ID: 1492897 ("Resource leak") Addresses-Coverity-ID: 1492899 ("Resource leak")

References (2)

Core 2

Core References

Patch

https://git.kernel.org/stable/c/973a0373e88cc19129bd6ef0ec193040535397d9

Patch

https://git.kernel.org/stable/c/e8b1d7698038e76363859fb47ae0a262080646f5

Scores

CVSS v3 5.5

EPSS 0.0021

EPSS Percentile 10.5%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-401

Status published

Products (9)

Linux/Linux < 5.15

Linux/Linux 5.14.14 - 5.15

Linux/Linux 5.15

Linux/Linux 5.15.8 - 5.15.*

Linux/Linux 5.16

Linux/Linux 6b55eadb0b1da827f198364c426ace72c16c49b0

Linux/Linux 8d5f7954b7c8de54902a8beda141064a7e2e6ee0 - 973a0373e88cc19129bd6ef0ec193040535397d9

Linux/Linux 8d5f7954b7c8de54902a8beda141064a7e2e6ee0 - e8b1d7698038e76363859fb47ae0a262080646f5

linux/linux_kernel 5.15 - 5.15.8

Published May 24, 2024

Tracked Since Feb 18, 2026