VULNERABILITY INTELLIGENCE

CVE-2017-16939

CVSS score7.8 HIGH
EPSS probability2.15%
CISA KEVNot currently listed
Published2017-11-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel before 4.13.11 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages.

Weakness classification

  • CWE-416: Use After Free

Primary references