diff options
| author | Florian Westphal <fw@strlen.de> | 2021-04-07 21:38:57 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-16 11:57:53 +0200 |
| commit | 522a0191944e3db9c30ade5fa6b6ec0d7c42f40d (patch) | |
| tree | 37117e41a77f68467ff35852fd9a8222366b4356 /scripts/gdb/linux/utils.py | |
| parent | 42427209317d1beac758d5de1dbc89d76615b5e1 (diff) | |
netfilter: x_tables: fix compat match/target pad out-of-bound write
commit b29c457a6511435960115c0f548c4360d5f4801d upstream.
xt_compat_match/target_from_user doesn't check that zeroing the area
to start of next rule won't write past end of allocated ruleset blob.
Remove this code and zero the entire blob beforehand.
Reported-by: syzbot+cfc0247ac173f597aaaa@syzkaller.appspotmail.com
Reported-by: Andy Nguyen <theflow@google.com>
Fixes: 9fa492cdc160c ("[NETFILTER]: x_tables: simplify compat API")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'scripts/gdb/linux/utils.py')
0 files changed, 0 insertions, 0 deletions