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7.1
LUKS Encryption Data Loss via Unprivileged Access to udisks Daemon
CVE-2026-26103
Summary
The udisks storage management daemon has a flaw that allows a local user without special permissions to accidentally or intentionally destroy encrypted data. This can happen when a user is allowed to manage disk encryption, and the data loss is permanent and irreversible. To fix this, update the udisks daemon to a version that includes the necessary security patch.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| redhat | enterprise_linux | 10.0 | – |
| freedesktop | udisks | 2.0.0 | – |
Original title
A flaw was found in the udisks storage management daemon that exposes a privileged D-Bus API for restoring LUKS encryption headers without proper authorization checks. The issue allows a local unpr...
Original description
A flaw was found in the udisks storage management daemon that exposes a privileged D-Bus API for restoring LUKS encryption headers without proper authorization checks. The issue allows a local unprivileged user to instruct the root-owned udisks daemon to overwrite encryption metadata on block devices. This can permanently invalidate encryption keys and render encrypted volumes inaccessible. Successful exploitation results in a denial-of-service condition through irreversible data loss.
nvd CVSS3.1
7.1
Vulnerability type
CWE-862
Missing Authorization
Published: 25 Feb 2026 · Updated: 14 Mar 2026 · First seen: 6 Mar 2026