CVE-2022-25326
Denial of Service in fscrypt
fscrypt through v0.3.2 creates a world-writable directory by default when setting up a filesystem, allowing unprivileged users to exhaust filesystem space. We recommend upgrading to fscrypt 0.3.3 or above and adjusting the permissions on existing fscrypt metadata directories where applicable.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Denial of Service in fscrypt
fscrypt through v0.3.2 creates a world-writable directory by default when setting up a filesystem, allowing unprivileged users to exhaust filesystem space. We recommend upgrading to fscrypt 0.3.3 or above and adjusting the permissions on existing fscrypt metadata directories where applicable.
- Record
CVE-2022-25326- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
EUVDEUVD-2022-1106
fscrypt through v0.3.2 creates a world-writable directory by default when setting up a filesystem, allowing unprivileged users to exhaust filesystem space. We recommend upgrading to fscrypt 0.3.3 or above and adjusting the permissions on existing fscrypt metadata directories where applicable.
- Record
EUVD-2022-1106- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mpq4-rjj8-fjph
Uncontrolled Resource Consumption in github.com/google/fscrypt
fscrypt through v0.3.2 creates a world-writable directory by default when setting up a filesystem, allowing unprivileged users to exhaust filesystem space. We recommend upgrading to fscrypt 0.3.3 or above and adjusting the permissions on existing fscrypt metadata directories where applicable.
- Record
GHSA-mpq4-rjj8-fjph- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-chxf-fjcf-7fwp No score
Possible filesystem space exhaustion by local users
fscrypt through v0.3.2 creates a world-writable directory by default when setting up a filesystem, allowing unprivileged users to exhaust filesystem space. We recommend upgrading to fscrypt v0.3.3 or above and adjusting the permissions on existing fscrypt metadata directories where applicable.
For more details, see CVE-2022-25326 and https://github.com/google/fscrypt#setting-up-fscrypt-on-a-filesystem.
- Record
GHSA-chxf-fjcf-7fwp- Updated
- 2026-11-02
NVD
fscrypt through v0.3.2 creates a world-writable directory by default when setting up a filesystem, allowing unprivileged users to exhaust filesystem space. We recommend upgrading to fscrypt 0.3.3 or above and adjusting the permissions on existing fscrypt metadata directories where applicable.
- Record
CVE-2022-25326- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-400
- Updated
- 2026-11-02
OSV
Denial of Service in fscrypt
fscrypt through v0.3.2 creates a world-writable directory by default when setting up a filesystem, allowing unprivileged users to exhaust filesystem space. We recommend upgrading to fscrypt 0.3.3 or above and adjusting the permissions on existing fscrypt metadata directories where applicable.
- Record
CVE-2022-25326- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
Show 6 moreShow less
OSVDEBIAN-CVE-2022-25326
fscrypt through v0.3.2 creates a world-writable directory by default when setting up a filesystem, allowing unprivileged users to exhaust filesystem space. We recommend upgrading to fscrypt 0.3.3 or above and adjusting the permissions on existing fscrypt metadata directories where applicable.
- Record
DEBIAN-CVE-2022-25326- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
OSVGHSA-mpq4-rjj8-fjph
Uncontrolled Resource Consumption in github.com/google/fscrypt
fscrypt through v0.3.2 creates a world-writable directory by default when setting up a filesystem, allowing unprivileged users to exhaust filesystem space. We recommend upgrading to fscrypt 0.3.3 or above and adjusting the permissions on existing fscrypt metadata directories where applicable.
- Record
GHSA-mpq4-rjj8-fjph- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2022-25326
fscrypt through v0.3.2 creates a world-writable directory by default when setting up a filesystem, allowing unprivileged users to exhaust filesystem space. We recommend upgrading to fscrypt 0.3.3 or above and adjusting the permissions on existing fscrypt metadata directories where applicable.
- Record
UBUNTU-CVE-2022-25326- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-chxf-fjcf-7fwp No score
Possible filesystem space exhaustion by local users
fscrypt through v0.3.2 creates a world-writable directory by default when setting up a filesystem, allowing unprivileged users to exhaust filesystem space. We recommend upgrading to fscrypt v0.3.3 or above and adjusting the permissions on existing fscrypt metadata directories where applicable.
For more details, see CVE-2022-25326 and https://github.com/google/fscrypt#setting-up-fscrypt-on-a-filesystem.
- Record
GHSA-chxf-fjcf-7fwp- Updated
- 2026-11-02
OSVGO-2022-0339 No score
Possible filesystem space exhaustion by local users in github.com/google/fscrypt
Possible filesystem space exhaustion by local users in github.com/google/fscrypt
- Record
GO-2022-0339- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11902-1 No score
fscrypt-0.3.3-1.1 on GA media
These are all security issues fixed in the fscrypt-0.3.3-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11902-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/google/fscryptGo |
before 0.3.3 | 0.3.3 |
fscryptDebian:12 |
before 0.3.3-1 | 0.3.3-1 |
fscryptDebian:13 |
before 0.3.3-1 | 0.3.3-1 |
fscryptDebian:14 |
before 0.3.3-1 | 0.3.3-1 |
fscryptUbuntu:18.04:LTS |
All versions, plus listed versions 0.2.2-0ubuntu20.2.2-0ubuntu2.1 |
None known |
fscryptUbuntu:20.04:LTS |
All versions, plus listed versions 0.2.4-20.2.5-10.2.5-2 |
None known |
fscryptopenSUSE:Tumbleweed From an advisory covering 3 CVEs |
before 0.3.3-1.1 | 0.3.3-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-25326 is a medium vulnerability (CVSS 5.5) in Google Fscrypt, published February 25, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.13%, the 2nd percentile. Fixed in github.com/google/fscrypt 0.3.3.
References
github.com/google/fscrypt/pull/346
nvd.nist.gov/vuln/detail/CVE-2022-25326
Show 10 moreShow less
security-tracker.debian.org/tracker/CVE-2022-25326
ubuntu.com/security/CVE-2022-25326
openwall.com/lists/oss-security/2022/02/24/1
cve.org/CVERecord?id=CVE-2022-25326
suse.com/security/cve/CVE-2022-25326