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Date: Tue, 16 Apr 2019 10:08:10 +0800
From: Fuqian Huang <huangfq.daxian@...il.com>
To: oss-security@...ts.openwall.com
Subject: kernel address leak in drivers/media/dvb-frontends/ascot2e.c - linux
4.14.111 LTS
In ascot2e_attach, dev_info will print the address of adapter to
dmesg, sensitive kernel information will be leaked to user space.
struct dvb_frontend *ascot2e_attach(struct dvb_frontend *fe,
const struct ascot2e_config *config,
struct i2c_adapter *i2c)
{
...
dev_info(&priv->i2c->dev,
"Sony ASCOT2E attached on addr=%x at I2C adapter %p\n",
priv->i2c_address, priv->i2c);
...
}
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