From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Alexander Aring <aahringo@redhat.com>,
lianhui tang <bluetlh@gmail.com>,
Stefan Schmidt <stefan@datenfreihafen.org>,
Sasha Levin <sashal@kernel.org>,
alex.aring@gmail.com, miquel.raynal@bootlin.com,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, linux-wpan@vger.kernel.org,
netdev@vger.kernel.org
Subject: [PATCH AUTOSEL 5.10 03/15] ca8210: fix mac_len negative array access
Date: Sun, 19 Mar 2023 20:55:47 -0400 [thread overview]
Message-ID: <20230320005559.1429040-3-sashal@kernel.org> (raw)
In-Reply-To: <20230320005559.1429040-1-sashal@kernel.org>
From: Alexander Aring <aahringo@redhat.com>
[ Upstream commit 6c993779ea1d0cccdb3a5d7d45446dd229e610a3 ]
This patch fixes a buffer overflow access of skb->data if
ieee802154_hdr_peek_addrs() fails.
Reported-by: lianhui tang <bluetlh@gmail.com>
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20230217042504.3303396-1-aahringo@redhat.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ieee802154/ca8210.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index 95ef3b6f98dd3..5beb447529f9e 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -1956,6 +1956,8 @@ static int ca8210_skb_tx(
* packet
*/
mac_len = ieee802154_hdr_peek_addrs(skb, &header);
+ if (mac_len < 0)
+ return mac_len;
secspec.security_level = header.sec.level;
secspec.key_id_mode = header.sec.key_id_mode;
--
2.39.2
next prev parent reply other threads:[~2023-03-20 1:00 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-20 0:55 [PATCH AUTOSEL 5.10 01/15] HID: uhid: Over-ride the default maximum data buffer value with our own Sasha Levin
2023-03-20 0:55 ` [PATCH AUTOSEL 5.10 02/15] HID: cp2112: Fix driver not registering GPIO IRQ chip as threaded Sasha Levin
2023-03-20 0:55 ` Sasha Levin [this message]
2023-03-20 0:55 ` [PATCH AUTOSEL 5.10 04/15] HID: intel-ish-hid: ipc: Fix potential use-after-free in work function Sasha Levin
2023-03-20 0:55 ` [PATCH AUTOSEL 5.10 05/15] m68k: Only force 030 bus error if PC not in exception table Sasha Levin
2023-03-20 0:55 ` [PATCH AUTOSEL 5.10 06/15] selftests/bpf: check that modifier resolves after pointer Sasha Levin
2023-03-20 0:55 ` [PATCH AUTOSEL 5.10 07/15] scsi: target: iscsi: Fix an error message in iscsi_check_key() Sasha Levin
2023-03-20 0:55 ` [PATCH AUTOSEL 5.10 08/15] scsi: hisi_sas: Check devm_add_action() return value Sasha Levin
2023-03-20 0:55 ` [PATCH AUTOSEL 5.10 09/15] scsi: ufs: core: Add soft dependency on governor_simpleondemand Sasha Levin
2023-03-20 0:55 ` [PATCH AUTOSEL 5.10 10/15] scsi: lpfc: Avoid usage of list iterator variable after loop Sasha Levin
2023-03-20 0:55 ` [PATCH AUTOSEL 5.10 11/15] scsi: storvsc: Handle BlockSize change in Hyper-V VHD/VHDX file Sasha Levin
2023-03-20 0:55 ` [PATCH AUTOSEL 5.10 12/15] platform/x86: ISST: Increase range of valid mail box commands Sasha Levin
2023-03-20 13:50 ` Pavel Machek
2023-03-27 11:25 ` Sasha Levin
2023-03-20 0:55 ` [PATCH AUTOSEL 5.10 13/15] net: usb: cdc_mbim: avoid altsetting toggling for Telit FE990 Sasha Levin
2023-03-20 0:55 ` [PATCH AUTOSEL 5.10 14/15] net: usb: qmi_wwan: add Telit 0x1080 composition Sasha Levin
2023-03-20 0:55 ` [PATCH AUTOSEL 5.10 15/15] sh: sanitize the flags on sigreturn Sasha Levin
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