CVE-2026-72228
Received Received - Intake

BaseFortify

Publication date: 2026-08-15

Last updated on: 2026-08-15

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: batman-adv: frag: fix primary_if leak on failed linearization If the skb has a frag_list, it must be linearized before it can be split using skb_split(). But when this step failed, it must not only free the skb but also take care of the reference to the already found primary_if.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-15
Last Modified
2026-08-15
Generated
2026-08-15
AI Q&A
2026-08-15
EPSS Evaluated
N/A
NVD
CVE-2026-72228
EUVD
EUVD-2026-59127

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This is a Linux kernel vulnerability in the batman-adv module where a reference to primary_if is not properly released when skb linearization fails during fragmentation handling. This could lead to a memory leak or resource exhaustion if exploited.

Detection Guidance

This vulnerability is specific to the Linux kernel's batman-adv module and involves a reference leak during packet fragmentation handling. Detection requires checking kernel logs for related errors or kernel crashes involving batman-adv. Commands like dmesg | grep batman-adv or journalctl -k | grep batman-adv may help identify issues.

Impact Analysis

If exploited, this could cause system instability due to resource leaks, potential denial of service, or unexpected behavior in network operations managed by batman-adv. It primarily affects systems running vulnerable Linux kernels with batman-adv enabled.

Mitigation Strategies

Apply the latest kernel update that includes the fix for this vulnerability. If updating is not immediately possible, consider disabling the batman-adv module if it is not essential to your network operations.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-72228. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart