diff options
Diffstat (limited to 'pkgs/patches-linux-5.15/612-netfilter_match_reduce_memory_access.patch')
| -rw-r--r-- | pkgs/patches-linux-5.15/612-netfilter_match_reduce_memory_access.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/pkgs/patches-linux-5.15/612-netfilter_match_reduce_memory_access.patch b/pkgs/patches-linux-5.15/612-netfilter_match_reduce_memory_access.patch new file mode 100644 index 0000000..79da677 --- /dev/null +++ b/pkgs/patches-linux-5.15/612-netfilter_match_reduce_memory_access.patch @@ -0,0 +1,22 @@ +From: Felix Fietkau <nbd@nbd.name> +Subject: netfilter: reduce match memory access + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + net/ipv4/netfilter/ip_tables.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/net/ipv4/netfilter/ip_tables.c ++++ b/net/ipv4/netfilter/ip_tables.c +@@ -53,9 +53,9 @@ ip_packet_match(const struct iphdr *ip, + if (ipinfo->flags & IPT_F_NO_DEF_MATCH) + return true; + +- if (NF_INVF(ipinfo, IPT_INV_SRCIP, ++ if (NF_INVF(ipinfo, IPT_INV_SRCIP, ipinfo->smsk.s_addr && + (ip->saddr & ipinfo->smsk.s_addr) != ipinfo->src.s_addr) || +- NF_INVF(ipinfo, IPT_INV_DSTIP, ++ NF_INVF(ipinfo, IPT_INV_DSTIP, ipinfo->dmsk.s_addr && + (ip->daddr & ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr)) + return false; + |