CVE-2016-4997

The compat IPT_SO_SET_REPLACE and IP6T_SO_SET_REPLACE setsockopt implementations in the netfilter subsystem in the Linux kernel before 4.6.3 allow local users to gain privileges or cause a denial of service (memory corruption) by leveraging in-container root access to provide a crafted offset value that triggers an unintended decrement.

CVSS v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

5.68% chance of exploitation in the next 30 days, 92th percentile

Published

2016-07-03

Updated

2024-08-06

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/netfilter_priv_esc_i…

ExploitDB entries (2)

• https://www.exploit-db.com/exploits/40435
• https://www.exploit-db.com/exploits/40489

References

• CVE Record
• NVD entry

Related

• CVE-2016-4977
• CVE-2016-4998
• CVE-2016-4975
• CVE-2016-5003
• CVE-2016-4971
• CVE-2016-5005