CVE-2021-47032

MEDIUM

Linux Kernel 5.10-5.10.36 - Use-After-Free in mt7915 TX SKB DMA Handling

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: 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 - 4a9dcd6efb2a268fc5707dcfb3b0c412975c4462
Linux/Linux 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 - 4e7914ce23306b28d377ec395e00e5fde0e6f96e
Linux/Linux 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 - 7dcf3c04f0aca746517a77433b33d40868ca4749
Linux/Linux 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 - e2cdc9cb33c5963efe1a7c022753386f9463d1b7
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