CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
5.1%
linux-pam is vulnerable to a denial of service. The vulnerability is due to attackers being able to cause a blocked login process via mkfifo because the openat call (for protect_dir) lacks O_DIRECTORY.