| commit | ff061fcf18429a66fe1b0afa372264e6d8fae8d1 | [log] [tgz] |
|---|---|---|
| author | Pablo Neira Ayuso <[email protected]> | Sun Jul 23 16:41:48 2023 +0200 |
| committer | COS Cherry Picker <[email protected]> | Fri Aug 18 12:43:17 2023 -0700 |
| tree | 850b25c96fa7633b01a34cda5375385613d61fc5 | |
| parent | 7ed69a787734dbf60e6da31ff2be61e6350e3f44 [diff] |
netfilter: nf_tables: disallow rule addition to bound chain via NFTA_RULE_CHAIN_ID
[ Upstream commit 0ebc1064e4874d5987722a2ddbc18f94aa53b211 ]
Bail out with EOPNOTSUPP when adding rule to bound chain via
NFTA_RULE_CHAIN_ID. The following warning splat is shown when
adding a rule to a deleted bound chain:
WARNING: CPU: 2 PID: 13692 at net/netfilter/nf_tables_api.c:2013 nf_tables_chain_destroy+0x1f7/0x210 [nf_tables]
CPU: 2 PID: 13692 Comm: chain-bound-rul Not tainted 6.1.39 #1
RIP: 0010:nf_tables_chain_destroy+0x1f7/0x210 [nf_tables]
BUG=b/296200632
TEST=presubmit
SOURCE=UPSTREAM(0ebc1064e487)
RELEASE_NOTE=Fixed CVE-2023-4147 in the Linux kernel.
cos-patch: security-high
Fixes: d0e2c7de92c7 ("netfilter: nf_tables: add NFT_CHAIN_BINDING")
Reported-by: Kevin Rich <[email protected]>
Change-Id: Ib676e2794fb223f300d21a2b0d78069eeb6f0d80
Signed-off-by: Pablo Neira Ayuso <[email protected]>
Signed-off-by: Florian Westphal <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/55329
Main-Branch-Verified: Cusky Presubmit Bot <[email protected]>
Reviewed-by: Oleksandr Tymoshenko <[email protected]>
Tested-by: Cusky Presubmit Bot <[email protected]>