tree 03181b05c182bc7693b7bfae179ffa4824e59395
parent 47d02fbe860d9b0cbcd6c4d0c92fb3f90bace5ab
author Pablo Neira Ayuso <pablo@netfilter.org> 1709248270 +0100
committer Anil Altinay <aaltinay@google.com> 1713063567 +0000

netfilter: nf_tables: disallow anonymous set with timeout flag

commit 16603605b667b70da974bea8216c93e7db043bf1 upstream.

Anonymous sets are never used with timeout from userspace, reject this.
Exception to this rule is NFT_SET_EVAL to ensure legacy meters still work.

Cc: stable@vger.kernel.org
Fixes: 761da2935d6e ("netfilter: nf_tables: add set timeout API support")
Reported-by: lonial con <kongln9170@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

BUG=b/333551758
TEST=presubmit
RELEASE_NOTE=Fixed CVE-2024-26642 in the Linux kernel.

cos-patch: security-moderate
Change-Id: Idb03fa83a4c96bf91451b1abff61381140687ceb
Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/69151
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Oleksandr Tymoshenko <ovt@google.com>