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e4a87abf58
linux/net/nfc
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Ryosuke Yasuoka e4a87abf58 nfc: nci: Fix uninit-value in nci_rx_work 
syzbot reported the following uninit-value access issue [1]

nci_rx_work() parses received packet from ndev->rx_q. It should be
validated header size, payload size and total packet size before
processing the packet. If an invalid packet is detected, it should be
silently discarded.

Fixes: d24b03535e ("nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet")
Reported-and-tested-by: syzbot+d7b4dc6cd50410152534@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=d7b4dc6cd50410152534 [1]
Signed-off-by: Ryosuke Yasuoka <ryasuoka@redhat.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-05-20 11:41:26 +01:00
..
hci nfc: hci: Save a few bytes of memory when registering a 'nfc_llc' engine 2024-02-06 15:36:06 +01:00
nci nfc: nci: Fix uninit-value in nci_rx_work 2024-05-20 11:41:26 +01:00
af_nfc.c nfc: fix error handling of nfc_proto_register() 2021-10-13 17:32:38 -07:00
core.c nfc: core: make nfc_class constant 2024-03-05 11:21:18 -08:00
digital_core.c net: fill in MODULE_DESCRIPTION()s for NFC 2024-01-11 16:16:08 -08:00
digital_dep.c net:nfc:digital: Fix a double free in digital_tg_recv_dep_req 2021-04-27 15:36:10 -07:00
digital_technology.c NFC: digital: fix possible memory leak in digital_in_send_sdd_req() 2021-10-13 17:44:29 -07:00
digital.h
Kconfig net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
llcp_commands.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-06-27 09:45:22 -07:00
llcp_core.c nfc: llcp_core: Hold a ref to llcp_local->dev when holding a ref to llcp_local 2023-12-25 07:29:04 +00:00
llcp_sock.c nfc: llcp: fix nfc_llcp_setsockopt() unsafe copies 2024-04-09 17:01:01 -07:00
llcp.h net: nfc: Fix use-after-free caused by nfc_llcp_find_local 2023-06-26 10:57:23 +01:00
Makefile
netlink.c net: nfc: remove inappropriate attrs check 2024-04-12 18:52:35 -07:00
nfc.h net: nfc: Fix use-after-free caused by nfc_llcp_find_local 2023-06-26 10:57:23 +01:00
rawsock.c nfc: Add KCOV annotations 2022-11-02 11:58:13 +00:00