CVE-2026-107565 Luksmeta: incomplete gap-boundary and overlap checks in luks1 metadata allocator allow data corruption
A local attacker with administrative privileges can corrupt LUKS encrypted data or metadata due to flawed boundary checks in luksmeta.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-107565?
CVE-2026-107565 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, published on 8 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in luksmeta. A local attacker with administrative privileges can cause data corruption when saving metadata to a Linux Unified Key Setup (LUKS) device. Due to incorrect boundary calculations and flawed overlap detection, new metadata entries can be written beyond available free space or over existing records. This issue can corrupt stored encrypted payload data or existing metadata, potentially rendering the affected data inaccessible.
Weakness: CWE-1284
Which versions are affected by CVE-2026-107565?
How do I fix CVE-2026-107565?
No fix has been published for CVE-2026-107565 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-107565 being exploited?
There is no known exploitation of CVE-2026-107565 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-107565, GHSA-vwc5-xqph-7vp5, UBUNTU-CVE-2026-107565.