Linux Distros Unpatched Vulnerability : CVE-2026-46153

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 8021q: delete cleared egress QoS mappings vlandevsetegresspriority currently keeps cleared egress priority mappings in the hash as tombstones. Repeated set/clea...

CVE-2026-46153 8021q: delete cleared egress QoS mappings

In the Linux kernel, the following vulnerability has been resolved: 8021q: delete cleared egress QoS mappings vlandevsetegresspriority currently keeps cleared egress priority mappings in the hash as tombstones. Repeated set/clear cycles with distinct skb priorities therefore accumulate mapping...

CVE-2026-46153

CVE-2026-46153 affects the Linux kernel 8021q VLAN code. The vulnerability arises because vlan_dev_set_egress_priority() kept cleared egress priority mappings as tombstones in a hash, allowing repeated set/clear cycles with different skb priorities to accumulate nodes and cause memory leakage. Th...