vulnerability
Ubuntu: (CVE-2015-4177): linux-raspi2 vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:N/I:N/A:C) | May 2, 2016 | Nov 19, 2024 | Mar 27, 2026 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
May 2, 2016
Added
Nov 19, 2024
Modified
Mar 27, 2026
Description
The collect_mounts function in fs/namespace.c in the Linux kernel before 4.0.5 does not properly consider that it may execute after a path has been unmounted, which allows local users to cause a denial of service (system crash) by leveraging user-namespace root access for an MNT_DETACH umount2 system call.
Solution
ubuntu-upgrade-linux-raspi2
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.