CVE-2017-14991 Information disclosure in n/a
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.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2017-14991, GHSA-r79m-gm95-v29g, UBUNTU-CVE-2017-14991.