CVE-2017-16939 is a local privilege escalation and denial-of-service vulnerability affecting the Linux kernel, specifically versions prior to 4.13.11, including Debian distributions. It arises from a use-after-free error in the XFRM dump policy implementation. With a CVSS score of 7.8 (High), this vulnerability allows a local attacker to gain root privileges or cause system instability through a crafted setsockopt system call combined with Netlink messages. While not listed on CISA's KEV catalog or actively exploited in the wild, a public exploit (EDB-44049) exists, though it has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.6.28, < 3.2.97CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 3.3, < 3.16.52CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 3.17, < 3.18.86CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 3.19, < 4.1.48CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.2, < 4.4.104CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.