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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:15:13 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:15:13 +0000 |
| commit | 98f739b627c5daa488e70dae1c8097aa78ca80ae (patch) | |
| tree | afd38c73d3b6b7a6567383aeeaee0536dcdcb920 /net/sched/act_ct.c | |
| parent | Adding upstream version 6.9.9. (diff) | |
| download | linux-98f739b627c5daa488e70dae1c8097aa78ca80ae.tar.xz linux-98f739b627c5daa488e70dae1c8097aa78ca80ae.zip | |
Adding upstream version 6.9.10.upstream/6.9.10
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/sched/act_ct.c')
| -rw-r--r-- | net/sched/act_ct.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c index 2a96d9c1db..6fa3cca87d 100644 --- a/net/sched/act_ct.c +++ b/net/sched/act_ct.c @@ -1077,6 +1077,14 @@ do_nat: */ if (nf_conntrack_confirm(skb) != NF_ACCEPT) goto drop; + + /* The ct may be dropped if a clash has been resolved, + * so it's necessary to retrieve it from skb again to + * prevent UAF. + */ + ct = nf_ct_get(skb, &ctinfo); + if (!ct) + skip_add = true; } if (!skip_add) |