CVE-2018-7738
util-linux - security update
7.8
HIGH
CVSS 3.1
EPSS 0.05%
Description
In util-linux before 2.32-rc1, bash-completion/umount allows local users to gain privileges by embedding shell commands in a mountpoint name, which is mishandled during a umount command (within Bash) by a different user, as demonstrated by logging in as root and entering umount followed by a tab character for autocompletion.
How to fix CVE-2018-7738
To remediate CVE-2018-7738, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 2.31.1-0.5 or later
- —upgrade to 2.29.2-1+deb9u1 or later
Is CVE-2018-7738 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0
- from 0, < 2.31.1-0.5
- from 0, < 2.29.2-1+deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |