CVE-2015-2686: High severity linux kernel vulnerability

Published Mar 24, 2015
·
Updated

Following commit fixes a potential kernel arbitrary memory read/write:

http://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=4de930efc23b92ddf88ce91c405ee645fe6e27ea

CVE was assigned to this here: http://seclists.org/oss-sec/2015/q1/977

Other sources

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 copyfromiter function in the ioviter interface, as demonstrated by the Bluetooth subsystem.

— MITRE

Affected Software

3 affected components
Linux Linux kernel=3.19
Linux Linux kernel=3.19.1
Linux Linux kernel=3.19.2

Event History

Mar 24, 2015
Data Sourced
via Red Hat·01:57 PM
DescriptionSeverityAffected Software
May 2, 2016
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description

Frequently Asked Questions

1

What is the severity of CVE-2015-2686?

CVE-2015-2686 is considered to have a high severity due to its potential for arbitrary memory read and write operations in the Linux kernel.

2

How do I fix CVE-2015-2686?

To fix CVE-2015-2686, you should update your Linux kernel to version 3.19.3 or later.

3

What are the affected versions by CVE-2015-2686?

CVE-2015-2686 affects Linux kernel versions 3.19, 3.19.1, and 3.19.2.

4

What types of systems are vulnerable to CVE-2015-2686?

Systems running vulnerable versions of the Linux kernel, specifically 3.19.x series, are at risk due to CVE-2015-2686.

5

Are there any workarounds for CVE-2015-2686?

There are no known effective workarounds for CVE-2015-2686; upgrading the kernel is the recommended approach.

Contact

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