National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2013-7446 Detail

Current 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.

Source:  MITRE
View Analysis Description

Evaluator Description

CWE-416: Use After Free

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.3 MEDIUM
Vector: AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H (V3.0 legend)
Impact Score: 4.2
Exploitability Score: 1.0


Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.4 MEDIUM
Vector: (AV:L/AC:M/Au:N/C:N/I:P/A:C) (V2 legend)
Impact Subscore: 7.8
Exploitability Subscore: 3.4


Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): Complete
Additional Information:
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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 Vendor Advisory
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 Exploit
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 Vendor Advisory
https://groups.google.com/forum/#!topic/syzkaller/3twDUI4Cpm8
https://lkml.org/lkml/2013/10/14/424 Exploit
https://lkml.org/lkml/2014/5/15/532 Exploit
https://lkml.org/lkml/2015/9/13/195 Exploit

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
4.3.2


Change History

9 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2013-7446
NVD Published Date:
12/28/2015
NVD Last Modified:
08/13/2018