PT-2026-39033 · Linux+1 · Linux Kernel+1

CVE-2026-43372

·

Published

2026-03-09

·

Updated

2026-08-20

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description An issue exists in the net: dsa: microchip component where the ksz ptp irq setup() function fails to dispose of a newly created IRQ mapping if the request threaded irq() function fails during the PTP message IRQ setup. This occurs because the error path only frees mappings that were successfully established.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Missing Release of Resource after Effective Lifetime

Memory Leak

Found an issue in the description? Have something to add? Feel free to write us 👾
dbugs@ptsecurity.com

Weakness Enumeration

CWE-772CWE-401

Related Identifiers

BDU:2026-13252
CVE-2026-43372
USN-8567-1
USN-8574-1
USN-8574-2
USN-8574-3
USN-8595-1
USN-8595-2
USN-8595-3
USN-8596-1
USN-8606-1
USN-8607-1
USN-8608-1
USN-8609-1
USN-8619-1
USN-8665-1

Affected Products

Linux Kernel
Ubuntu