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linux/net/tipc
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Zilin Guan 6c1151d53c tipc: use kfree_sensitive() for aead cleanup 
[ Upstream commit c8ef20fe72 ]

The tipc_aead_free() function currently uses kfree() to release the aead
structure. However, this structure contains sensitive information, such
as key's SALT value, which should be securely erased from memory to
prevent potential leakage.

To enhance security, replace kfree() with kfree_sensitive() when freeing
the aead structure. This change ensures that sensitive data is explicitly
cleared before memory deallocation, aligning with the approach used in
tipc_aead_init() and adhering to best practices for handling confidential
information.

Signed-off-by: Zilin Guan <zilin@seu.edu.cn>
Reviewed-by: Tung Nguyen <tung.quang.nguyen@est.tech>
Link: https://patch.msgid.link/20250523114717.4021518-1-zilin@seu.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-06-27 11:11:28 +01:00
..
addr.c tipc: introduce new unified address type for internal use 2021-03-17 11:51:04 -07:00
addr.h tipc: Remove unused function declarations 2023-08-03 12:51:45 +02:00
bcast.c net: tipc: avoid possible garbage value 2024-09-13 20:03:43 -07:00
bcast.h tipc: update a binding service via broadcast 2020-06-17 08:53:34 -07:00
bearer.c net/tipc: replace deprecated strcpy with strscpy 2024-08-29 12:33:14 -07:00
bearer.h tipc: Remove unused function declarations 2023-08-03 12:51:45 +02:00
core.c tipc: fix use-after-free Read in tipc_named_reinit 2022-06-17 11:39:10 +01:00
core.h tipc: Remove unused struct declaration 2024-07-12 03:41:32 +01:00
crypto.c tipc: use kfree_sensitive() for aead cleanup 2025-06-27 11:11:28 +01:00
crypto.h net/tipc: fix tipc header files for kernel-doc 2020-12-01 15:37:41 -08:00
diag.c sock_diag: add module pointer to "struct sock_diag_handler" 2024-01-23 15:13:54 +01:00
discover.c treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
discover.h tipc: some cleanups in the file discover.c 2018-03-23 13:12:17 -04:00
eth_media.c tipc: constify dev_addr passing 2021-10-13 09:40:46 -07:00
group.c tipc: update address terminology in code 2020-11-27 17:34:01 -08:00
group.h tipc: update address terminology in code 2020-11-27 17:34:01 -08:00
ib_media.c tipc: constify dev_addr passing 2021-10-13 09:40:46 -07:00
Kconfig net: tipc: remove redundant 'bool' from CONFIG_TIPC_{MEDIA_UDP,CRYPTO} 2024-02-07 13:18:43 +00:00
link.c tipc: fix memory leak in tipc_link_xmit 2025-04-20 10:15:06 +02:00
link.h tipc: Remove unused declaration tipc_link_build_bc_sync_msg() 2023-08-09 13:03:14 -07:00
Makefile tipc: rename the module name diag to tipc_diag 2024-02-06 13:47:36 +01:00
monitor.c tipc: fix NULL pointer dereference in tipc_mon_reinit_self() 2025-05-02 07:59:02 +02:00
monitor.h tipc: update mon's self addr when node addr generated 2019-11-12 19:45:45 -08:00
msg.c tipc: fix a possible memleak in tipc_buf_append 2024-05-01 18:39:44 -07:00
msg.h net: tipc: remove unused static inlines 2022-01-27 13:53:27 +00:00
name_distr.c net/tipc: Remove unused struct distr_queue_item 2022-09-29 18:48:32 -07:00
name_distr.h tipc: Remove unused function declarations 2023-08-03 12:51:45 +02:00
name_table.c tipc: cleanup unused function 2022-06-17 11:43:57 +01:00
name_table.h tipc: cleanup unused function 2022-06-17 11:43:57 +01:00
net.c tipc: simplify the finalize work queue 2021-05-18 13:22:09 -07:00
net.h tipc: Remove unused function declarations 2023-08-03 12:51:45 +02:00
netlink.c tipc: Change nla_policy for bearer-related names to NLA_NUL_STRING 2023-11-01 22:26:37 -07:00
netlink.h net: tipc: allocate attrs locally instead of using genl_family_attrbuf in compat_dumpit() 2019-10-06 15:44:47 +02:00
netlink_compat.c tipc: Remove redundant call to TLV_SPACE() 2023-11-17 02:27:27 +00:00
node.c tipc: force a dst refcount before doing decryption 2024-06-18 15:08:57 +02:00
node.h tipc: add automatic session key exchange 2020-09-18 13:58:37 -07:00
socket.c net/tipc: make use of the helper macro LIST_HEAD() 2024-09-06 18:10:21 -07:00
socket.h tipc: add stricter control of reserved service types 2020-10-30 08:19:18 -07:00
subscr.c tipc:subscr.c: fix a spelling mistake 2021-06-10 13:48:43 -07:00
subscr.h tipc: fix htmldoc and smatch warnings 2021-03-29 16:28:50 -07:00
sysctl.c net: Remove ctl_table sentinel elements from several networking subsystems 2024-05-03 13:29:42 +01:00
topsrv.c net/sock: Introduce trace_sk_data_ready() 2023-01-23 11:26:50 +00:00
topsrv.h tipc: rename tipc_server to tipc_topsrv 2018-02-16 15:26:34 -05:00
trace.c net/tipc: fix various kernel-doc warnings 2020-12-01 15:37:46 -08:00
trace.h tracing/treewide: Remove second parameter of __assign_str() 2024-05-22 20:14:47 -04:00
udp_media.c tipc: fix NULL deref in cleanup_bearer() 2024-12-19 18:13:12 +01:00
udp_media.h tipc: implement configuration of UDP media MTU 2018-04-20 11:04:05 -04:00