CVE-2013-7446

Public Exploit

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.

5.3

CVSS

Severity: Medium

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.01%

Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory kernel.org Vendor Advisory github.com

Affected: n/a n/a

References

Link	Tags
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00038.html	vendor advisory
https://groups.google.com/forum/#%21topic/syzkaller/3twDUI4Cpm8
http://www.securitytracker.com/id/1034557	vdb entry
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00023.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00017.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00035.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html	vendor advisory
http://www.ubuntu.com/usn/USN-2887-2	vendor advisory
https://forums.grsecurity.net/viewtopic.php?f=3&t=4150
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00045.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00015.html	vendor advisory
http://www.spinics.net/lists/netdev/msg318826.html	mailing list exploit
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00041.html	vendor advisory
http://www.ubuntu.com/usn/USN-2886-1	vendor advisory
http://www.ubuntu.com/usn/USN-2887-1	vendor advisory
http://www.ubuntu.com/usn/USN-2890-3	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.html	vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7d267278a9ece963d77eefec61630223fce08c6c
http://www.ubuntu.com/usn/USN-2889-1	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html	vendor advisory
http://www.ubuntu.com/usn/USN-2889-2	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00034.html	vendor advisory
https://lkml.org/lkml/2015/9/13/195	mailing list exploit
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00037.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html	vendor advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3	vendor advisory
http://www.securityfocus.com/bid/77638	vdb entry
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html	vendor advisory
https://lkml.org/lkml/2014/5/15/532	mailing list exploit
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html	vendor advisory
http://www.ubuntu.com/usn/USN-2890-2	vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1282688
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00033.html	vendor advisory
http://www.debian.org/security/2015/dsa-3426	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html	vendor advisory
http://www.openwall.com/lists/oss-security/2015/11/18/16	mailing list
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.html	vendor advisory
https://lkml.org/lkml/2013/10/14/424	mailing list exploit
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00044.html	vendor advisory
https://github.com/torvalds/linux/commit/7d267278a9ece963d77eefec61630223fce08c6c	vendor advisory
http://www.ubuntu.com/usn/USN-2890-1	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00042.html	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html	vendor advisory
http://www.ubuntu.com/usn/USN-2888-1	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-7446?: CVE-2013-7446 has been scored as a medium severity vulnerability.
How to fix CVE-2013-7446?: To fix CVE-2013-7446, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-7446 being actively exploited in the wild?: It is possible that CVE-2013-7446 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.