CLSA-2026-1777637310 Fix of 13 CVEs

CVE-2026-31431 - crypto: authencesn - reject too-short AAD assoclen8 to match ESP/ESN spec CVE-2026-31431 - crypto: scatterwalk - Backport memcpysglist CVE-2026-31431 - crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption CVE-2026-31431 - crypto: authencesn - Fix src...