CVE-2016-7117 Information

Description

Use-after-free vulnerability in the __sys_recvmmsg function in net/socket.c in the Linux kernel before 4.5.2 allows remote attackers to execute arbitrary code via vectors involving a recvmmsg system call that is mishandled during error processing.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b88a68f26a75e4fded796f1a49c40f82234b7d http://rhn.redhat.com/errata/RHSA-2016-2962.html http://rhn.redhat.com/errata/RHSA-2017-0031.html http://rhn.redhat.com/errata/RHSA-2017-0036.html http://rhn.redhat.com/errata/RHSA-2017-0065.html http://rhn.redhat.com/errata/RHSA-2017-0086.html http://rhn.redhat.com/errata/RHSA-2017-0091.html http://rhn.redhat.com/errata/RHSA-2017-0113.html http://rhn.redhat.com/errata/RHSA-2017-0196.html http://rhn.redhat.com/errata/RHSA-2017-0215.html http://rhn.redhat.com/errata/RHSA-2017-0216.html http://rhn.redhat.com/errata/RHSA-2017-0217.html http://rhn.redhat.com/errata/RHSA-2017-0270.html http://source.android.com/security/bulletin/2016-10-01.html http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.2 http://www.securityfocus.com/bid/93304 https://bugzilla.novell.com/show_bug.cgi?id=1003077 https://bugzilla.redhat.com/show_bug.cgi?id=1382268 https://github.com/torvalds/linux/commit/34b88a68f26a75e4fded796f1a49c40f82234b7d https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-7117.html https://security-tracker.debian.org/tracker/CVE-2016-7117

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8