CVE-2026-31657: batman-adv: hold claim backbone gateways by reference
batman-adv: hold claim backbone gateways by reference
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.137.1-1
Event History
Frequently Asked Questions
What is the severity of CVE-2026-31657?
CVE-2026-31657 is classified as a medium-severity vulnerability due to potential memory corruption issues.
How do I fix CVE-2026-31657?
To mitigate CVE-2026-31657, ensure you update to the latest version of the batman-adv package in the Linux kernel.
What systems are affected by CVE-2026-31657?
CVE-2026-31657 affects the batman-adv module within various Linux kernel versions utilized in mesh networking.
What type of vulnerability is CVE-2026-31657?
CVE-2026-31657 is a memory management vulnerability that can lead to improper handling of backbone gateway references.
Who can exploit CVE-2026-31657?
CVE-2026-31657 can potentially be exploited by local attackers who have access to the network and can invoke the batman-adv functionalities.