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65acf6e050
In my recent commit, I missed that do_replace() handlers
use copy_from_sockptr() (which I fixed), followed
by unsafe copy_from_sockptr_offset() calls.
In all functions, we can perform the @optlen validation
before even calling xt_alloc_table_info() with the following
check:
if ((u64)optlen < (u64)tmp.size + sizeof(tmp))
return -EINVAL;
Fixes:
|
||
|---|---|---|
| .. | ||
| arp_tables.c | ||
| arpt_mangle.c | ||
| arptable_filter.c | ||
| ip_tables.c | ||
| ipt_ah.c | ||
| ipt_ECN.c | ||
| ipt_REJECT.c | ||
| ipt_rpfilter.c | ||
| ipt_SYNPROXY.c | ||
| iptable_filter.c | ||
| iptable_mangle.c | ||
| iptable_nat.c | ||
| iptable_raw.c | ||
| iptable_security.c | ||
| Kconfig | ||
| Makefile | ||
| nf_defrag_ipv4.c | ||
| nf_dup_ipv4.c | ||
| nf_nat_h323.c | ||
| nf_nat_pptp.c | ||
| nf_nat_snmp_basic_main.c | ||
| nf_nat_snmp_basic.asn1 | ||
| nf_reject_ipv4.c | ||
| nf_socket_ipv4.c | ||
| nf_tproxy_ipv4.c | ||
| nft_dup_ipv4.c | ||
| nft_fib_ipv4.c | ||
| nft_reject_ipv4.c | ||