MSG_SPLICE_PAGES

DirtyDecrypt / DirtyCBC — rxgk Page-Cache Write (Dirty Pipe Variant)

DirtyDecrypt (also called DirtyCBC) is a variant of the CopyFail / DirtyFrag / Fragnesia bug class. rxgkdecryptskb() in net/rxrpc/rxgkcommon.h calls skbtosgvec() followed by cryptokrb5decrypt() without first calling skbcowdata(). The krb5enc AEAD template…