CVE-2017-5549 Information disclosure in n/a

Medium 5.5 Published Updated

Local attackers can read sensitive uninitialized heap memory from kernel logs via a flaw in the KL5KUSB105 USB serial driver.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2017-5549?

CVE-2017-5549 is a medium-severity vulnerability in Linux kernel, published on 6 Feb 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The klsi_105_get_line_state function in drivers/usb/serial/kl5kusb105.c in the Linux kernel before 4.9.5 places uninitialized heap-memory contents into a log entry upon a failure to read the line status, which allows local users to obtain sensitive information by reading the log.

Weakness: CWE-532

Which versions are affected by CVE-2017-5549?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-5549?

Apply the vendor's patch.

Is CVE-2017-5549 being exploited?

There is no known exploitation of CVE-2017-5549 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-5549, GHSA-286m-rx96-29m7, UBUNTU-CVE-2017-5549.

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