CVE-2014-8989 describes a vulnerability in the Linux kernel (through version 3.17.4) where improper handling of supplemental group memberships in specific namespace configurations allows local users to bypass file permissions. This "negative groups" issue, related to kernel/groups.c, kernel/uid16.c, and kernel/user_namespace.c, enables attackers to circumvent intended access controls by leveraging POSIX ACLs. With a CVSS score of 4.6, this vulnerability has a low attack complexity and requires local access, potentially leading to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.17.3CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
3.0CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:* | ||
3.0CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:* | ||
3.0CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:* | ||
3.0CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:L/Au:N/C:P/I:P/A:P
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.