Name: CVE-2021-47033: Missing Release of Memory after Effective Lifetime
Creator: Rapid7
Published: 2024-02-28T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-47033, CVSS 5.5, EPSS 0.00222

In the Linux kernel, the following vulnerability has been resolved:

mt76: mt7615: fix tx skb dma unmap

The first pointer in the txp needs to be unmapped as well, otherwise it will leak DMA mapping entries

CVSS Details

CVSS 3.1 Base Score: 5.5
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade linux	Jul 30, 2024	Feb 28, 2024
Redhat_linux	—	No solution exists	Jul 9, 2025	Feb 28, 2024

Prioritise with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub

MDR Buyer's Guide

Global Threat Landscape Report

Grow your business

CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence