[net,0/4] Netfilter fixes for net

Pull-request

git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf.git HEAD

Message

Pablo Neira Ayuso Feb. 5, 2021, 12:17 a.m. UTC

Hi,

The following patchset contains Netfilter fixes for net:

1) Fix combination of --reap and --update in xt_recent that triggers
   UAF, from Jozsef Kadlecsik.

2) Fix current year in nft_meta selftest, from Fabian Frederick.

3) Fix possible UAF in the netns destroy path of nftables.

4) Fix incorrect checksum calculation when mangling ports in flowtable,
   from Sven Auhagen.

Please, pull these changes from:

  git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf.git

Thanks!

----------------------------------------------------------------

The following changes since commit 44a674d6f79867d5652026f1cc11f7ba8a390183:

  Merge tag 'mlx5-fixes-2021-01-26' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux (2021-01-27 19:18:37 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf.git HEAD

for you to fetch changes up to 8d6bca156e47d68551750a384b3ff49384c67be3:

  netfilter: flowtable: fix tcp and udp header checksum update (2021-02-04 01:10:14 +0100)

----------------------------------------------------------------
Fabian Frederick (1):
      selftests: netfilter: fix current year

Jozsef Kadlecsik (1):
      netfilter: xt_recent: Fix attempt to update deleted entry

Pablo Neira Ayuso (1):
      netfilter: nftables: fix possible UAF over chains from packet path in netns

Sven Auhagen (1):
      netfilter: flowtable: fix tcp and udp header checksum update

 net/netfilter/nf_flow_table_core.c            |  4 ++--
 net/netfilter/nf_tables_api.c                 | 25 +++++++++++++++++++------
 net/netfilter/xt_recent.c                     | 12 ++++++++++--
 tools/testing/selftests/netfilter/nft_meta.sh |  2 +-
 4 files changed, 32 insertions(+), 11 deletions(-)