CVE-2025-48752 Process Sync has a Potential Unsound Issue in SharedMutex
A missing mutex unlock check in the process-sync crate allows use-after-free, potentially leading to code execution or crashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-48752?
CVE-2025-48752 is a low-severity use after free vulnerability in Forestryks process-sync-rs, published on 24 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the process-sync crate 0.2.2 for Rust, the drop function lacks a check for whether the pthread_mutex is unlocked.
Weakness: CWE-416
Which versions are affected by CVE-2025-48752?
2 open source packages ship an affected version, including process-sync. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
process-sync crates.io | All versions to 0.2.2 | None |
process-sync crates.io | All versions to 0.2.2 | None |
Products include Forestryks Process-Sync.
How do I fix CVE-2025-48752?
No fix has been published for CVE-2025-48752 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2025-48752 being exploited?
There is no known exploitation of CVE-2025-48752 in the wild and no public exploit code.
Sources
Also known as GHSA-mqwx-r894-9hfp.