Security Advisory

CVE-2026-72235

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-15 05:54:25

Last updated 2026-08-17 05:41:52

Assigner Linux

CVSS score 8.8

State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: batman-adv: retrieve ethhdr after potential skb realloc on RX pskb_may_pull() in batadv_interface_rx() could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an use-after-free. This was done correctly for the VLAN header but missed for the ethernet header which is later used for the TT and AP isolation handling.

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