CVE-2026-45913

A flaw was found in the Linux kernel's bridge multicast module. This vulnerability arises from an inconsistency in how the system tracks multicast database entries (mdb_n_entries) for virtual local area network (VLAN) contexts. A local user with network configuration privileges could exploit this by performing specific operations, potentially leading to a kernel warning and system instability.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.