Description
ecryptfs-setup-swap in eCryptfs does not prevent the unencrypted swap partition from activating during boot when using GPT partitioning on a (1) NVMe or (2) MMC drive, which allows local users to obtain sensitive information via unspecified vectors. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-8946.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | ecryptfs-utils | 111-0ubuntu1.1 | USN-3032-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | ecryptfs-utils | 103-8.3.1 | SUSE-SU-2018:0336-1 |
| SLES 12 SP2 | ecryptfs-utils | 103-8.3.1 | SUSE-SU-2018:0336-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | ecryptfs-utils | 103-8.3.1 | SUSE-SU-2018:0336-1 |
| SLES for SAP 12 SP2 | ecryptfs-utils | 103-8.3.1 | SUSE-SU-2018:0336-1 |
Advisories 2
- USN-3032-1 ecryptfs-utils vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2018:0336-1 Security update for ecryptfs-utils SUSE / openSUSE Security Updates · May 2, 2025
References
- [oss-security] 20160714 Re: CVE Requests: Information exposure caused by ecryptfs-setup-swap failures mailing-list
- [oss-security] 20160713 CVE Requests: Information exposure caused by ecryptfs-setup-swap failures mailing-list
- https://bugs.launchpad.net/ubuntu/+source/ecryptfs-utils/+bug/1447282
- USN-3032-1 vendor-advisory
- https://bugs.launchpad.net/ecryptfs/+bug/1597154
- FEDORA-2016-41301e2187 vendor-advisory
- https://bazaar.launchpad.net/~ecryptfs/ecryptfs/trunk/revision/882