CVE-2026-46231

Description

A flaw was found in the Linux kernel's batman-adv (Better Approach To Mobile Ad-hoc Networking - Advanced) Basic Link Arbitration (BLA) module. When the batadv_bla_add_claim() function fails to insert a new claim into the hash, it leaks a reference to the backbone_gw object. This resource leak can accumulate over time, potentially leading to system instability or a Denial of Service (DoS) condition.

Understanding the Weakness (CWE)

Availability

Technical Impact: DoS: Resource Consumption (Memory); DoS: Resource Consumption (Other)

An adversary that can cause a resource counter to become inaccurate may be able to create situations where resources are not accounted for and not released, thus causing resources to become scarce for future needs.

Availability

Technical Impact: DoS: Crash, Exit, or Restart

An adversary that can cause a resource counter to become inaccurate may be able to force an error that causes the product to crash or exit out of its current operation.

Frequently Asked Questions

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