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| author | Lukasz Czapnik <lukasz.czapnik@intel.com> | 2025-08-13 12:45:14 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-02 13:39:13 +0200 |
| commit | f8c8e11825b24661596fa8db2f0981ba17ed0817 (patch) | |
| tree | 21d5476ae30adea6c5e19b1a17d5389ae9401970 | |
| parent | 34dfac0c904829967d500c51f216916ce1452957 (diff) | |
| download | linux-f8c8e11825b24661596fa8db2f0981ba17ed0817.tar.gz linux-f8c8e11825b24661596fa8db2f0981ba17ed0817.tar.bz2 linux-f8c8e11825b24661596fa8db2f0981ba17ed0817.zip | |
i40e: fix input validation logic for action_meta
commit 9739d5830497812b0bdeaee356ddefbe60830b88 upstream.
Fix condition to check 'greater or equal' to prevent OOB dereference.
Fixes: e284fc280473 ("i40e: Add and delete cloud filter")
Cc: stable@vger.kernel.org
Signed-off-by: Lukasz Czapnik <lukasz.czapnik@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 1c3d97c6dc6c..c38b7ff6d309 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -3472,7 +3472,7 @@ static int i40e_validate_cloud_filter(struct i40e_vf *vf, /* action_meta is TC number here to which the filter is applied */ if (!tc_filter->action_meta || - tc_filter->action_meta > vf->num_tc) { + tc_filter->action_meta >= vf->num_tc) { dev_info(&pf->pdev->dev, "VF %d: Invalid TC number %u\n", vf->vf_id, tc_filter->action_meta); goto err; |