CVE-2026-63834

kernel: batman-adv: tp_meter: restrict number of unacked list entries

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Severity

Moderate

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · July 19, 2026

Updated · October 13, 2026

Description

A flaw was found in the Linux kernel's batman-adv throughput meter. A remote attacker could exploit an unbound list of unacknowledged packets by sending specially crafted messages. This could force the system to allocate excessive memory or waste significant CPU cycles, leading to a Denial of Service (DoS) condition.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-770 · Allocation of Resources Without Limits or Throttling