Resource exhaustion in Google Fscrypt
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.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.001 (3.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Google Fscrypt
- Google Llc Fscrypt — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve-coordination@google.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-25326?
- CVE-2022-25326 is a medium-severity vulnerability in Google Fscrypt, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2022-02-25.
- How severe is CVE-2022-25326?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-25326 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.