CVE-2015-8962 Use after free in n/a
Local attackers can gain privileges or crash the system via a double free in the Linux kernel SCSI generic driver during device detachment.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2015-8962?
CVE-2015-8962 is a high-severity use after free vulnerability in Linux kernel, published on 16 Nov 2016. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Double free vulnerability in the sg_common_write function in drivers/scsi/sg.c in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (memory corruption and system crash) by detaching a device during an SG_IO ioctl call.
Weakness: CWE-415
Which versions are affected by CVE-2015-8962?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2015-8962?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2015-8962 being exploited?
There is no known exploitation of CVE-2015-8962 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2015-8962, GHSA-239p-q346-3xw9, UBUNTU-CVE-2015-8962.