CVE-2026-43107

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> xfrm: account XFRMA_IF_ID in aevent size calculation<br /> <br /> xfrm_get_ae() allocates the reply skb with xfrm_aevent_msgsize(), then<br /> build_aevent() appends attributes including XFRMA_IF_ID when x-&gt;if_id is<br /> set.<br /> <br /> xfrm_aevent_msgsize() does not include space for XFRMA_IF_ID. For states<br /> with if_id, build_aevent() can fail with -EMSGSIZE and hit BUG_ON(err