[ciq-6.12.y] Multiple patches tested (2 commits)#1262
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cve CVE-Pending commit-author Sabrina Dubroca <sd@queasysnail.net> commit 4db79a3 skb_gro_receive() can currently copy frags between the source and GRO skb, without checking the zerocopy status, and in particular the SKBFL_MANAGED_FRAG_REFS flag. When SKBFL_MANAGED_FRAG_REFS is set, the skb doesn't hold a reference on the pages in shinfo->frags. Appending those frags to another skb's frags without fixing up the page refcount can lead to UAF. When either the last skb in the GRO chain (the one we would append frags to) or the source skb is zerocopy, don't merge the skbs. Fixes: 753f1ca ("net: introduce managed frags infrastructure") Reported-by: Huzaifa Sidhpurwala <huzaifas@redhat.com> Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/c3b7f906bbfcbdfd7b4fa9d6c18a438870df85be.1779307748.git.sd@queasysnail.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Shreeya Patel <spatel@ciq.com>
cve CVE-Pending commit-author Asim Viladi Oglu Manizada <manizada@pm.me> commit 3da1fdf cifs.spnego key descriptions contain authority-bearing fields such as pid, uid, creduid, and upcall_target that cifs.upcall treats as kernel-originating inputs. However, userspace can also create keys of this type through request_key(2) or add_key(2), allowing those fields to be supplied without CIFS origin. Only accept cifs.spnego descriptions while CIFS is using its private spnego_cred to request the key. Fixes: f1d662a ("[CIFS] Add upcall files for cifs to use spnego/kerberos") Assisted-by: avom-custom-harness:gpt-5.5-qwen3.6-mod-mix Reviewed-by: David Howells <dhowells@redhat.com> Signed-off-by: Asim Viladi Oglu Manizada <manizada@pm.me> Signed-off-by: Steve French <stfrench@microsoft.com> Signed-off-by: Shreeya Patel <spatel@ciq.com>
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