CVE-2018-7738 is a privilege escalation vulnerability affecting util-linux before version 2.32-rc1. It allows a local attacker to execute arbitrary shell commands by embedding them in a mountpoint name, which is then mishandled during bash autocompletion of the umount command by a different user. The vulnerability carries a high CVSS score of 7.8, indicating high impact on confidentiality, integrity, and availability with low attack complexity and no user interaction required. There is no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB. Community discussion is minimal, with only one mention identified.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.31CPE matchmatch criteria | cpe:2.3:a:kernel:util-linux:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/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.