]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commit
selinux: check length properly in SCTP bind hook
authorOndrej Mosnacek <omosnace@redhat.com>
Tue, 13 Nov 2018 15:16:08 +0000 (16:16 +0100)
committerPaul Moore <paul@paul-moore.com>
Tue, 13 Nov 2018 16:39:09 +0000 (11:39 -0500)
commitc138325fb8713472d5a0c3c7258b9131bab40725
tree5fff0dba37bdb9694deb285143726b55c0074b71
parent4458bba09788e70e8fb39ad003f087cd9dfbd6ac
selinux: check length properly in SCTP bind hook

selinux_sctp_bind_connect() must verify if the address buffer has
sufficient length before accessing the 'sa_family' field. See
__sctp_connect() for a similar check.

The length of the whole address ('len') is already checked in the
callees.

Reported-by: Qian Cai <cai@gmx.us>
Fixes: d452930fd3b9 ("selinux: Add SCTP support")
Cc: <stable@vger.kernel.org> # 4.17+
Cc: Richard Haines <richard_c_haines@btinternet.com>
Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
Tested-by: Qian Cai <cai@gmx.us>
Signed-off-by: Paul Moore <paul@paul-moore.com>
security/selinux/hooks.c