CVE-2025-48768 Apache NuttX RTOS: fs/inode: fs_inoderemove root inode removal
Attackers with write access to network-exposed filesystems can trigger a null pointer dereference or assert, causing a denial of service in NuttX RTOS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-48768?
CVE-2025-48768 is a medium-severity vulnerability in Apache NuttX RTOS, published on 1 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Release of Invalid Pointer or Reference vulnerability was discovered in fs/inode/fs_inoderemove code of the Apache NuttX RTOS that allowed root filesystem inode removal leading to a debug assert trigger (that is disabled by default), NULL pointer dereference (handled differently depending on the target architecture), or in general, a Denial of Service.
This issue affects Apache NuttX RTOS: from 10.0.0 before 12.10.0.
Users of filesystem based services with write access that were exposed over the network (i.e. FTP) are affected and recommended to upgrade to version 12.10.0 that fixes the issue.
Weakness: CWE-763
Which versions are affected by CVE-2025-48768?
It affects 1 product.
Products include Apache Nuttx.
How do I fix CVE-2025-48768?
No fix has been published for CVE-2025-48768 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-48768 being exploited?
There is no known exploitation of CVE-2025-48768 in the wild and no public exploit code.
Other vulnerabilities in Apache NuttX RTOS
- CVE-2025-47868 Apache NuttX RTOS: tools/bdf-converter.: tools/bdf-converter: Fix loop termination condition.
- CVE-2025-47869 Apache NuttX RTOS: examples/xmlrpc: Fix calls buffers size.
- CVE-2025-35003 Apache NuttX RTOS: NuttX Bluetooth Stack HCI and UART DoS/RCE Vulnerabilities.
- CVE-2021-26461 malloc, realloc and memalign implementations are vulnerable to integer wrap-arounds
- CVE-2020-17529 Apache NuttX (incubating) Out of Bound Write from invalid fragmentation offset value specified in the IP header
Sources
Also known as GHSA-hxp8-h2pw-f72f.