GSD-2023-1001862 HV: hv_balloon: fix memory leak with using debugfs_lookup()
A memory leak in the Linux Kernel Hyper-V balloon driver can lead to resource exhaustion and denial of service.
- 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 GSD-2023-1001862?
GSD-2023-1001862 is a memory corruption vulnerability in Kernel, published on 13 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
HV: hv_balloon: fix memory leak with using debugfs_lookup()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.1.11 by commit 0b570a059cf42ad6e2eb632f47c23813d58d8303, it was introduced in version v6.0 by commit d180e0a1be6cea2b7436fadbd1c96aecdf3c46c7. For more details please see the references link.
Which versions are affected by GSD-2023-1001862?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001862?
No fix has been published for GSD-2023-1001862 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2023-1001862 being exploited?
There is no known exploitation of GSD-2023-1001862 in the wild and no public exploit code.