Description
mount.ecryptfs_private.c in eCryptfs-utils does not validate mount destination filesystem types, which allows local users to gain privileges by mounting over a nonstandard filesystem, as demonstrated by /proc/$pid.
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | ecryptfs-utils | 106-2 | — |
| Debian 13 | ecryptfs-utils | 106-2 | — |
| Debian 12 | ecryptfs-utils | 106-2 | — |
| Debian 8 | ecryptfs-utils | 103-5+deb8u1 | DSA-3450-1 |
| Debian 7 | ecryptfs-utils | 99-1+deb7u1 | DSA-3450-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | ecryptfs-utils | 83-4+squeeze2 | DLA-397-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | ecryptfs-utils | 104-0ubuntu1.14.04.4 | USN-2876-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | ecryptfs-utils | 103-7.1 | SUSE-SU-2016:0241-1 |
| SLES 12 | ecryptfs-utils | 103-7.1 | SUSE-SU-2016:0241-1 |
| SLES 11 SP4 | ecryptfs-utils | 61-1.35.1 | SUSE-SU-2016:0290-1 |
| SLES 11 SP3 | ecryptfs-utils | 61-1.35.1 | SUSE-SU-2016:0290-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | ecryptfs-utils | 103-7.1 | SUSE-SU-2016:0241-1 |
| SLES for SAP 12 | ecryptfs-utils | 103-7.1 | SUSE-SU-2016:0241-1 |
| SLES for SAP 11 SP4 | ecryptfs-utils | 61-1.35.1 | SUSE-SU-2016:0290-1 |
| SLES for SAP 11 SP3 | ecryptfs-utils | 61-1.35.1 | SUSE-SU-2016:0290-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ecryptfs-utils | 108-2.5 | openSUSE-SU-2024:10118-1 |
Advisories 6
- USN-2876-1 ecryptfs-utils vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-397-1 ecryptfs-utils - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3450-1 ecryptfs-utils - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2016:0241-1 Security update for ecryptfs-utils SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10118-1 ecryptfs-utils-108-2.5 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:0290-1 Security update for ecryptfs-utils SUSE / openSUSE Security Updates · Feb 4, 2026
References
- openSUSE-SU-2016:0239 vendor-advisory
- 1034791 vdb-entry
- openSUSE-SU-2016:0291 vendor-advisory
- https://bugs.launchpad.net/ecryptfs/+bug/1530566
- [oss-security] 20160120 Security issue in eCryptfs-utils (CVE-2016-1572) mailing-list
- openSUSE-SU-2016:0302 vendor-advisory
- USN-2876-1 vendor-advisory
- FEDORA-2016-7b9a2fe987 vendor-advisory
- DSA-3450 vendor-advisory
- https://bazaar.launchpad.net/~ecryptfs/ecryptfs/trunk/revision/870
- FEDORA-2016-b02ad4e424 vendor-advisory