diff options
Diffstat (limited to 'target/linux/generic/pending-5.15/794-net-ethernet-mtk_eth_soc-check-max-allowed-value-in-.patch')
| -rw-r--r-- | target/linux/generic/pending-5.15/794-net-ethernet-mtk_eth_soc-check-max-allowed-value-in-.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.15/794-net-ethernet-mtk_eth_soc-check-max-allowed-value-in-.patch b/target/linux/generic/pending-5.15/794-net-ethernet-mtk_eth_soc-check-max-allowed-value-in-.patch new file mode 100644 index 0000000000..7ab6d486b2 --- /dev/null +++ b/target/linux/generic/pending-5.15/794-net-ethernet-mtk_eth_soc-check-max-allowed-value-in-.patch @@ -0,0 +1,28 @@ +From 4253e6e2b795a18ab534adcd5c313d3fc4150975 Mon Sep 17 00:00:00 2001 +Message-Id: <4253e6e2b795a18ab534adcd5c313d3fc4150975.1662332102.git.lorenzo@kernel.org> +In-Reply-To: <2a60545635c2705312299384f4e9fec2f2a3acd6.1662332102.git.lorenzo@kernel.org> +References: <2a60545635c2705312299384f4e9fec2f2a3acd6.1662332102.git.lorenzo@kernel.org> +From: Lorenzo Bianconi <lorenzo@kernel.org> +Date: Mon, 5 Sep 2022 00:48:52 +0200 +Subject: [PATCH net-next 3/6] net: ethernet: mtk_eth_soc: check max allowed + value in mtk_ppe_check_skb + +Check theoretical OOB accesses in mtk_ppe_check_skb routine + +Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> +--- + drivers/net/ethernet/mediatek/mtk_ppe.h | 3 +++ + 1 file changed, 3 insertions(+) + +--- a/drivers/net/ethernet/mediatek/mtk_ppe.h ++++ b/drivers/net/ethernet/mediatek/mtk_ppe.h +@@ -294,6 +294,9 @@ mtk_ppe_check_skb(struct mtk_ppe *ppe, s + if (!ppe) + return; + ++ if (hash > MTK_PPE_HASH_MASK) ++ return; ++ + now = (u16)jiffies; + diff = now - ppe->foe_check_time[hash]; + if (diff < HZ / 10) |