CVE-2025-6365 HobbesOSR Kitten pgtable.h set_pte_at resource consumption
An attacker can cause resource consumption and denial of service in HobbesOSR Kitten via the set_pte_at function in the ARM64 page table library.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-6365?
CVE-2025-6365 is a medium-severity denial of service vulnerability in HobbesOSR Kitten, published on 20 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was found in HobbesOSR Kitten up to c4f8b7c3158983d1020af432be1b417b28686736 and classified as critical. Affected by this issue is the function set_pte_at in the library /include/arch-arm64/pgtable.h. The manipulation leads to resource consumption. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available.
Which versions are affected by CVE-2025-6365?
It affects 1 product.
Products include Hobbesosr Kitten.
How do I fix CVE-2025-6365?
No fix has been published for CVE-2025-6365 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-6365 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-6365 exists.
Sources
Also known as GHSA-37hg-4qwq-2g86.