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Paul Moore 0682d533b0 selinux: properly handle multiple messages in selinux_netlink_send() 
commit fb73974172ffaaf57a7c42f35424d9aece1a5af6 upstream.

Fix the SELinux netlink_send hook to properly handle multiple netlink
messages in a single sk_buff; each message is parsed and subject to
SELinux access control.  Prior to this patch, SELinux only inspected
the first message in the sk_buff.

Cc: stable@vger.kernel.org
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Stephen Smalley <stephen.smalley.work@gmail.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
CVE-2020-0255
Signed-off-by: Kevin F. Haggerty <haggertk@lineageos.org>
Change-Id: If6115a0100ffc8d5748d6aa85e3d4a1983eba90d
2020-08-08 16:42:48 +02:00
..
apparmor
nick kvfree() from apparmor
2019-08-05 14:22:44 +02:00
integrity
Merge tag 'v3.4.113' into lineage-16.0
2019-08-05 14:20:47 +02:00
keys
KEYS: add missing permission check for request_key() destination
2019-08-08 16:35:41 +02:00
selinux
selinux: properly handle multiple messages in selinux_netlink_send()
2020-08-08 16:42:48 +02:00
smack
consitify do_mount() arguments
2019-08-06 10:44:14 +02:00
tima_uevent
misc: Import SM-G900H kernel source code
2019-08-02 15:14:10 +02:00
tomoyo
consitify do_mount() arguments
2019-08-06 10:44:14 +02:00
tz_iccc
misc: Import SM-G900H kernel source code
2019-08-02 15:14:10 +02:00
yama
Merge tag 'v3.4.113' into lineage-16.0
2019-08-05 14:20:47 +02:00
capability.c
consitify do_mount() arguments
2019-08-06 10:44:14 +02:00
commoncap.c
BACKPORT: commoncap: don't alloc the credential unless needed in cap_task_prctl
2019-08-08 15:08:47 +02:00
device_cgroup.c
…
inode.c
vfs: Add permission2 for filesystems with per mount permissions
2019-08-06 10:44:34 +02:00
Kconfig
misc: Import SM-G900H kernel source code
2019-08-02 15:14:10 +02:00
lsm_audit.c
security: lsm_audit: add ioctl specific auditing
2015-06-30 12:52:32 +05:30
Makefile
misc: Remove Samsung Secure Data Protection sprinkles
2019-08-05 09:12:33 +02:00
min_addr.c
…
security.c
consitify do_mount() arguments
2019-08-06 10:44:14 +02:00