GSD-2021-1000071 virtiofs: fix memory leak in virtio_fs_probe()
A memory leak in the Linux kernel virtiofs probe function can lead to resource exhaustion and denial of service.
- 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 GSD-2021-1000071?
GSD-2021-1000071 is a memory corruption vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
virtiofs: fix memory leak in virtio_fs_probe()
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 v5.12.3 by commit 5116e79fc6e6725b8acdad8b7e928a83ab7b47e6, it was introduced in version v5.4 by commit a62a8ef9d97da23762a588592c8b8eb50a8deb6a. For more details please see the references link.
Which versions are affected by GSD-2021-1000071?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000071?
No fix has been published for GSD-2021-1000071 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-2021-1000071 being exploited?
There is no known exploitation of GSD-2021-1000071 in the wild and no public exploit code.