CVE-2017-14991 Information disclosure in n/a

Medium 5.5 Published Updated

Local attackers can read uninitialized kernel heap memory via a specific ioctl call, potentially exposing sensitive data.

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-2017-14991?

CVE-2017-14991 is a medium-severity vulnerability in Linux kernel, published on 3 Oct 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The sg_ioctl function in drivers/scsi/sg.c in the Linux kernel before 4.13.4 allows local users to obtain sensitive information from uninitialized kernel heap-memory locations via an SG_GET_REQUEST_TABLE ioctl call for /dev/sg0.

Weakness: CWE-200

Which versions are affected by CVE-2017-14991?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-14991?

Apply the vendor's patch.

Is CVE-2017-14991 being exploited?

There is no known exploitation of CVE-2017-14991 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-14991, GHSA-r79m-gm95-v29g, UBUNTU-CVE-2017-14991.

Is CVE-2017-14991 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free