CVE-2023-3159

Name: CVE-2023-3159
Creator: NVD / NIST
Published: 2023-06-12T21:15:22.937+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2023-3159 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. A use after free issue was discovered in driver/firewire in outbound_phy_packet_callback in the Linux Kernel. In this flaw a local attacker with special privilege may cause a use after free problem when queue_event() fails.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

A use after free issue was discovered in driver/firewire in outbound_phy_packet_callback in the Linux Kernel. In this flaw a local attacker with special privilege may cause a use after free problem when queue_event() fails.

Metrics

CVSS 3.1

6.7/10

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

EPSS Probability

0.23%

13.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 5.18
Linux	Linux Kernel	5.18

References

Timeline

Published: Jun 12, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-3159?

How severe is CVE-2023-3159?

CVE-2023-3159 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3159?

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-2023-3159?

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

Scan your code now

Source: NVD / NIST