CVE-2016-8655

HIGH

AF_PACKET chocobo_root Privilege Escalation

Title source: metasploit

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.

Exploits (10)

exploitdb WORKING POC VERIFIED
by Metasploit · rubylocallinux
https://www.exploit-db.com/exploits/44696
exploitdb WORKING POC VERIFIED
by rebel · clocallinux_x86-64
https://www.exploit-db.com/exploits/40871
exploitdb WORKING POC
by bcoles · clocalwindows_x86-64
https://www.exploit-db.com/exploits/47170
nomisec WORKING POC 13 stars
by martinmullins · poc
https://github.com/martinmullins/CVE-2016-8655_Android
nomisec WORKING POC 5 stars
by LakshmiDesai · poc
https://github.com/LakshmiDesai/CVE-2016-8655
nomisec STUB
by KosukeShimofuji · poc
https://github.com/KosukeShimofuji/CVE-2016-8655
nomisec WRITEUP
by agkunkle · poc
https://github.com/agkunkle/chocobo
nomisec WORKING POC
by scarvell · poc
https://github.com/scarvell/cve-2016-8655
metasploit WORKING POC GOOD
by rebel, bcoles · rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/af_packet_chocobo_root_priv_esc.rb

References (34)

... and 14 more

Scores

CVSS v3 7.8
EPSS 0.3492
EPSS Percentile 97.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-362 CWE-416
Status published
Products (5)
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 16.10
linux/linux_kernel 3.2 - 3.2.85
Published Dec 08, 2016
Tracked Since Feb 18, 2026