
Find real vulnerabilities before they ship
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.
Base Score
7.8| Base Score | 7.8 |
|---|---|
| Vector String | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Base Severity | High |
| Version | 3.0 |
| Attack Vector (AV) | LOCAL |