USN-2644-2
linux-lts-utopic regression
The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic.
We apologize for the inconvenience.
Original advisory details:
Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.
What each source reports
OSV No score
linux-lts-utopic regression
The Fix for CVE-2015-1328 introduced a regression into the Linux kernel's overlayfs file system. The removal of a directory that only exists on the lower layer results in a kernel panic.
We apologize for the inconvenience.
Original advisory details:
Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.
- Record
USN-2644-2- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
linux-lts-utopicUbuntu:14.04:LTS |
before 3.16.0-41.57~14.04.1, plus listed versions 3.16.0-25.33~14.04.23.16.0-26.35~14.04.13.16.0-28.37~14.04.13.16.0-28.38~14.04.13.16.0-29.39~14.04.1 Show 13 moreShow less3.16.0-30.40~14.04.13.16.0-31.41~14.04.13.16.0-31.43~14.04.13.16.0-33.44~14.04.13.16.0-34.45~14.04.13.16.0-34.47~14.04.13.16.0-36.48~14.04.13.16.0-37.49~14.04.13.16.0-37.51~14.04.13.16.0-38.52~14.04.13.16.0-39.53~14.04.13.16.0-40.54~14.04.13.16.0-41.55~14.04.1 |
3.16.0-41.57~14.04.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
USN-2644-2 is a vulnerability with no CVSS score yet in linux-lts-utopic, published June 21, 2015. No source lists public exploit code. Fixed in linux-lts-utopic 3.16.0-41.57~14.04.1.