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(parent: 4d189c1) | patch
ax88172a: fix information leak on short answers
authorOliver Neukum <oneukum@suse.com>
Thu, 14 Nov 2019 10:16:01 +0000 (11:16 +0100)
committerDavid S. Miller <davem@davemloft.net>
Fri, 15 Nov 2019 20:18:45 +0000 (12:18 -0800)
commita9a51bd727d141a67b589f375fe69d0e54c4fe22
treee3b6e6e089f5dc283edef8a559138838fd634e48tree | snapshot
parent4d189c1026fac6af922e16538fb7c653bbeed778commit | diff
ax88172a: fix information leak on short answers

If a malicious device gives a short MAC it can elicit up to
5 bytes of leaked memory out of the driver. We need to check for
ETH_ALEN instead.

Reported-by: syzbot+a8d4acdad35e6bbca308@syzkaller.appspotmail.com
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/usb/ax88172a.c diff | blob | history
Domain: System / Kernel;