CVE-2026-64566

The CVE-2026-64566 issue affects the Linux kernel xfrm/IPTFS frag handling. In iptfs_skb_add_frags(), frag references are copied and __skb_frag_ref() increments the page ref count, but SKBFL_SHARED_FRAG is not propagated to the destination SKB’s skb_shinfo->flags, causing the inner SKB to appe...

CVE-2026-53363

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: preserve shared-frag marker in iptfsconsumefrags iptfsconsumefrags transfers paged fragments from one socket buffer to another but fails to propagate the SKBFLSHAREDFRAG flag. This is the same class of bug that was...