CVE-2026-72234

Description

In the Linux kernel, the following vulnerability has been resolved: batman-adv: access unicast_ttvn skb->data only after skb realloc The pskb_may_pull() called by batadv_get_vid() 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 ethernet header but missed for the unicast_packet pointer.

References

• https://git.kernel.org/stable/c/7141990add3f75436f2933cb310654cad3b1e3e9
• https://git.kernel.org/stable/c/7b162b36de750565404cd3b98315706622c6974f
• https://git.kernel.org/stable/c/979175834a699ccc3c4c0b0ba60ecae0f135a587
• https://git.kernel.org/stable/c/9a7b7248798123efbd5fafe58461d57c7cc718af
• https://git.kernel.org/stable/c/9c2c05629e46c1fd43931506d41c56a885a98eb4