CVE-2016-8655
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...
- Published
- Dec 8, 2016
- Updated
- Aug 6, 2024
- Assigning CNA
- redhat
- Evidence observed
- Dec 6, 2016
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HModerate · next 30 days
- Percentile
- 95.9%
- Model date
- Oct 11, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
modules/exploits/linux/local/af_packet_chocobo_root_priv_esc.rb
Metasploit Framework modulesDeclared conditions
- platform: Linux($.exploit_linux/local/af_packet_chocobo_root_priv_esc.platform)
- verification: check_declared($.exploit_linux/local/af_packet_chocobo_root_priv_esc.check)
- chocoboResearch
Chocobo Root (CVE-2016-8655) Analysis
Responsible use
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