GSD-2021-1001981 ocfs2: mount fails with buffer overflow in strlen
A buffer overflow in the OCFS2 filesystem mount process can cause a denial of service, requiring local access with high privileges.
- 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-2021-1001981?
GSD-2021-1001981 is a memory corruption vulnerability in Kernel, published on 14 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ocfs2: mount fails with buffer overflow in strlen
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 v4.19.214 by commit 7623b1035ca2d17bde0f6a086ad6844a34648df1. For more details please see the references link.
Which versions are affected by GSD-2021-1001981?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001981?
No fix has been published for GSD-2021-1001981 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-2021-1001981 being exploited?
There is no known exploitation of GSD-2021-1001981 in the wild and no public exploit code.