CVE-2019-15666 is an out-of-bounds array access vulnerability in the Linux kernel before version 5.0.19, specifically within the __xfrm_policy_unlink function due to mishandled directory validation in net/xfrm/xfrm_user.c. This flaw affects various Linux distributions, including Debian, openSUSE, and their respective kernel packages. With a CVSS score of 4.4 (Medium), it can lead to a denial of service (DoS) under local attack conditions requiring high privileges. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in CISA's KEV catalog, though it has received some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.0.19CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | ||
15.0CPE matchmatch criteria | cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* | ||
15.1CPE matchmatch criteria | cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.