National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-8655 Detail

Current Description

Race condition in net/packet/af_packet.c in the Linux kernel through 4.8.12 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging the CAP_NET_RAW capability to change a socket version, related to the packet_set_ring and packet_setsockopt functions.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


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

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of 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=84ac7260236a49c79eede91617700174c2c19b0c Patch Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00044.html
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00054.html
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00055.html
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00056.html
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00067.html
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00070.html
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00073.html
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00076.html
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00077.html
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00087.html
http://packetstormsecurity.com/files/140063/Linux-Kernel-4.4.0-AF_PACKET-Race-Condition-Privilege-Escalation.html
http://rhn.redhat.com/errata/RHSA-2017-0386.html
http://rhn.redhat.com/errata/RHSA-2017-0387.html
http://rhn.redhat.com/errata/RHSA-2017-0402.html
http://www.openwall.com/lists/oss-security/2016/12/06/1 Third Party Advisory
http://www.securityfocus.com/bid/94692
http://www.securitytracker.com/id/1037403
http://www.securitytracker.com/id/1037968
http://www.ubuntu.com/usn/USN-3149-1
http://www.ubuntu.com/usn/USN-3149-2
http://www.ubuntu.com/usn/USN-3150-1
http://www.ubuntu.com/usn/USN-3150-2
http://www.ubuntu.com/usn/USN-3151-1
http://www.ubuntu.com/usn/USN-3151-2
http://www.ubuntu.com/usn/USN-3151-3
http://www.ubuntu.com/usn/USN-3151-4
http://www.ubuntu.com/usn/USN-3152-1
http://www.ubuntu.com/usn/USN-3152-2
https://bugzilla.redhat.com/show_bug.cgi?id=1400019 Issue Tracking Third Party Advisory VDB Entry
https://github.com/torvalds/linux/commit/84ac7260236a49c79eede91617700174c2c19b0c Patch
https://source.android.com/security/bulletin/2017-03-01.html
https://www.exploit-db.com/exploits/40871/
https://www.exploit-db.com/exploits/44696/

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/o:linux:linux_kernel
     Show Matching CPE(s)
Up to (including)
4.8.12


Change History

8 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-8655
NVD Published Date:
12/08/2016
NVD Last Modified:
05/24/2018