Michal Kubecek <mkubecek@xxxxxxx> wrote: > I stumbled upon this when the issue got a CVE id (sigh) and I share > Andrea's (Cc-ed) concern that the fix is incomplete. While the fix, > commit c301f0981fdd ("netfilter: nf_tables: fix pointer math issue in > nft_byteorder_eval()") now, fixes the destination side, src is still > a pointer to u32, i.e. we are reading 64-bit values with relative > offsets which are multiples of 32 bits. > > Shouldn't we fix this as well, e.g. like indicated below? No, please remove multi-elem support instead, nothing uses this feature.