CVE-2023-3317

Name: CVE-2023-3317
Creator: NVD / NIST
Published: 2023-06-23T18:15:14.047+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2023-3317 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. A use-after-free flaw was found in mt7921_check_offload_capability in drivers/net/wireless/mediatek/mt76/mt7921/init.c in wifi mt76/mt7921 sub-component in the Linux Kernel. This flaw could allow an attacker to crash the system after 'features' memory release. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

A use-after-free flaw was found in mt7921_check_offload_capability in drivers/net/wireless/mediatek/mt76/mt7921/init.c in wifi mt76/mt7921 sub-component in the Linux Kernel. This flaw could allow an attacker to crash the system after 'features' memory release. This vulnerability could even lead to a kernel information leak problem.

Metrics

CVSS 3.1

7.1/10

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

EPSS Probability

0.24%

14.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 6.2, < 6.2.15
Linux	Linux Kernel	6.3

References

Timeline

Published: Jun 23, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-3317?

How severe is CVE-2023-3317?

CVE-2023-3317 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3317?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-3317?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST