CVE-2015-2686 Privilege escalation in n/a
Local attackers can gain privileges by exploiting missing range validation in Linux kernel socket system calls, particularly affecting subsystems using iov_iter.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2015-2686?
CVE-2015-2686 is a high-severity vulnerability in Linux kernel, published on 2 May 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net/socket.c in the Linux kernel 3.19 before 3.19.3 does not validate certain range data for (1) sendto and (2) recvfrom system calls, which allows local users to gain privileges by leveraging a subsystem that uses the copy_from_iter function in the iov_iter interface, as demonstrated by the Bluetooth subsystem.
Weakness: CWE-264
Which versions are affected by CVE-2015-2686?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2015-2686?
No fix has been published for CVE-2015-2686 yet. Limit exposure of the affected software until one is available.
Is CVE-2015-2686 being exploited?
There is no known exploitation of CVE-2015-2686 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-xcxf-mrr2-q6v3.