Memory leak in Linux kernel - CVE-2026-43102

 

Memory leak in Linux kernel - CVE-2026-43102

Published: May 7, 2026


Vulnerability identifier: #VU130662
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-43102
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to a memory leak in airoha_qdma_rx_process() when processing received packet buffers on an error path. A local user can trigger error conditions to cause a denial of service.

The issue occurs for buffers belonging to the non-linear part of an skb when a page_pool fragment is not linked to the skb and is not returned to the pool.


How to mitigate CVE-2026-43102

Install security update from vendor's repository.

Sources