SB2017042432 - Missing release of resource after effective lifetime in Linux kernel

Description

This security bulletin contains information about 1 security vulnerability.

1) Missing release of resource after effective lifetime (CVE-ID: CVE-2010-5321)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

Memory leak in drivers/media/video/videobuf-core.c in the videobuf subsystem in the Linux kernel 2.6.x through 4.x allows local users to cause a denial of service (memory consumption) by leveraging /dev/video access for a series of mmap calls that require new allocations, a different vulnerability than CVE-2007-6761. NOTE: as of 2016-06-18, this affects only 11 drivers that have not been updated to use videobuf2 instead of videobuf.

Remediation

Install update from vendor's website.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=620629
• https://bugzilla.kernel.org/show_bug.cgi?id=120571
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=827340
• http://www.openwall.com/lists/oss-security/2015/02/08/4
• http://linuxtv.org/irc/v4l/index.php?date=2010-07-29