CVE-2026-72099 dm-integrity: don't increment hash_offset twice
A logic error in the Linux kernel dm-integrity module caused incorrect hash offset calculations, potentially leading to data integrity issues.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-72099?
CVE-2026-72099 is a high-severity vulnerability in Linux, published on 15 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
dm-integrity: don't increment hash_offset twice
hash_offset is already incremented in the loop "for (i = 0; i < to_copy; i++, ts--)". Do not increment it again.
Weakness: CWE-682
Which versions are affected by CVE-2026-72099?
How do I fix CVE-2026-72099?
Apply the vendor's patch.
Is CVE-2026-72099 being exploited?
There is no known exploitation of CVE-2026-72099 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-72099, DEBIAN-CVE-2026-72099, GHSA-cv4x-7435-v3r7, UBUNTU-CVE-2026-72099.