CVE-2021-47033

MEDIUM

Linux Kernel < 5.10.37 - Use-After-Free in mt7615 TX SKB DMA Handling

Title source: llm
STIX 2.1

Description

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

References (4)

Core 4

Scores

CVSS v3 5.5
EPSS 0.0022
EPSS Percentile 12.6%
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 (11)
Linux/Linux < 5.10
Linux/Linux 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 - 75bc5f779a7664d1fc19cb915039439c6e58bb94
Linux/Linux 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 - 821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2
Linux/Linux 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 - a025277a80add18c33d01042525a74fe5b875f25
Linux/Linux 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 - ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9
Linux/Linux 5.10
Linux/Linux 5.10.37 - 5.10.*
Linux/Linux 5.11.21 - 5.11.*
Linux/Linux 5.12.4 - 5.12.*
Linux/Linux 5.13
... and 1 more
Published Feb 28, 2024
Tracked Since Feb 18, 2026