CVE-2013-7446 Information

Description

Use-after-free vulnerability in net/unix/af_unix.c in the Linux kernel before 4.3.3 allows local users to bypass intended AF_UNIX socket permissions or cause a denial of service (panic) via crafted epoll_ctl calls.

CVSS Vector

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

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7d267278a9ece963d77eefec61630223fce08c6c http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00033.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00034.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00035.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00037.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00038.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00041.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00042.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00044.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00045.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00015.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00017.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00023.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html http://www.debian.org/security/2015/dsa-3426 http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3 http://www.openwall.com/lists/oss-security/2015/11/18/16 http://www.securityfocus.com/bid/77638 http://www.securitytracker.com/id/1034557 http://www.spinics.net/lists/netdev/msg318826.html http://www.ubuntu.com/usn/USN-2886-1 http://www.ubuntu.com/usn/USN-2887-1 http://www.ubuntu.com/usn/USN-2887-2 http://www.ubuntu.com/usn/USN-2888-1 http://www.ubuntu.com/usn/USN-2889-1 http://www.ubuntu.com/usn/USN-2889-2 http://www.ubuntu.com/usn/USN-2890-1 http://www.ubuntu.com/usn/USN-2890-2 http://www.ubuntu.com/usn/USN-2890-3 https://bugzilla.redhat.com/show_bug.cgi?id=1282688 https://forums.grsecurity.net/viewtopic.php?f=3&t=4150 https://github.com/torvalds/linux/commit/7d267278a9ece963d77eefec61630223fce08c6c https://groups.google.com/forum/!topic/syzkaller/3twDUI4Cpm8 https://lkml.org/lkml/2013/10/14/424 https://lkml.org/lkml/2014/5/15/532 https://lkml.org/lkml/2015/9/13/195

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

HIGH

Base Severity

5.3