diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2024-03-01 02:11:10 +0300 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2024-03-07 02:02:42 +0300 |
| commit | 16603605b667b70da974bea8216c93e7db043bf1 (patch) | |
| tree | a3347212f629d997b3dfae2a0dfa9f53f6492eab | |
| parent | c055fc00c07be1f0df7375ab0036cebd1106ed38 (diff) | |
| download | linux-16603605b667b70da974bea8216c93e7db043bf1.tar.xz | |
netfilter: nf_tables: disallow anonymous set with timeout flag
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>
| -rw-r--r-- | net/netfilter/nf_tables_api.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 7e938c7397dd..bd21067f25cf 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -5001,6 +5001,9 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info, if ((flags & (NFT_SET_EVAL | NFT_SET_OBJECT)) == (NFT_SET_EVAL | NFT_SET_OBJECT)) return -EOPNOTSUPP; + if ((flags & (NFT_SET_ANONYMOUS | NFT_SET_TIMEOUT | NFT_SET_EVAL)) == + (NFT_SET_ANONYMOUS | NFT_SET_TIMEOUT)) + return -EOPNOTSUPP; } desc.dtype = 0; |