forked from luck/tmp_suning_uos_patched
pcmcia: synclink_cs: fix information leak to userland
Structure new_line is copied to userland with some padding fields unitialized. It leads to leaking of stack memory. Signed-off-by: Vasiliy Kulikov <segooon@gmail.com> CC: stable@kernel.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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@ -4097,6 +4097,8 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
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if (cmd != SIOCWANDEV)
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return hdlc_ioctl(dev, ifr, cmd);
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memset(&new_line, 0, size);
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switch(ifr->ifr_settings.type) {
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case IF_GET_IFACE: /* return current sync_serial_settings */
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