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linux/net/nfc/nci
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Krzysztof Kozlowski d7dbdbe380 nfc: nci: fix possible NULL pointer dereference in send_acknowledge() 
commit 7937609cd3 upstream.

Handle memory allocation failure from nci_skb_alloc() (calling
alloc_skb()) to avoid possible NULL pointer dereference.

Reported-by: 黄思聪 <huangsicong@iie.ac.cn>
Fixes: 391d8a2da7 ("NFC: Add NCI over SPI receive")
Cc: <stable@vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20231013184129.18738-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2023-10-25 12:03:04 +02:00
..
core.c nfc: nci: assert requested protocol is valid 2023-10-19 23:08:54 +02:00
data.c NFC: nci: fix memory leak in nci_rx_data_packet() 2022-11-22 12:42:23 +01:00
hci.c NFC: nci: fix sleep in atomic context bugs caused by nci_skb_alloc 2022-05-17 17:55:53 -07:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
lib.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234 2019-06-19 17:09:07 +02:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ntf.c NFC: nci: Bounds check struct nfc_target arrays 2022-12-05 17:46:25 -08:00
rsp.c nfc: nci: fix the UAF of rf_conn_info object 2021-10-08 17:24:32 +01:00
spi.c nfc: nci: fix possible NULL pointer dereference in send_acknowledge() 2023-10-25 12:03:04 +02:00
uart.c tty: remove file from tty_ldisc_ops::ioctl and compat_ioctl 2021-11-25 18:36:27 +01:00