vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2021-47135

mt76: mt7921: fix possible AOOB issue in mt7921_mcu_tx_rate_report

HIGH
7.8
CVSS Score
Published: March 15, 2024 at 08:14 PM UTC
Updated: August 5, 2026 at 09:24 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix possible AOOB issue in mt7921_mcu_tx_rate_report Fix possible array out of bound access in mt7921_mcu_tx_rate_report. Remove unnecessary varibable in mt7921_mcu_tx_rate_report

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.12 ≤ v < 5.12.105.12 ≤ v < 5.131c099ab44727c8e42fe4de4d91b53cec3ef028605.13 rc15.13 rc25.13 rc35.13 rc4
Vendor states this is fixed in 6919e8a24e70b6ba148fe07f44f835bcdd1a8d02 (fixed)
Vendor states this is fixed in d874e6c06952382897d35bf4094193cd44ae91bd (fixed)
Vendor states this is fixed in 5.12 (unaffected)
Vendor states this is fixed in 5.12.10 (unaffected)
Vendor states this is fixed in 5.13 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6919e8a24e70b6ba148fe07f44f835bcdd1a8d02
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d874e6c06952382897d35bf4094193cd44ae91bd

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-129

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card