GSD-2021-1002587 can: m_can: m_can_read_fifo: fix memory leak in error branch
A memory leak in the Linux Kernel m_can driver error branch 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-2021-1002587?
GSD-2021-1002587 is a memory corruption vulnerability in Kernel, published on 19 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
can: m_can: m_can_read_fifo: fix memory leak in error branch
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 v5.15.8 by commit 75a422165477dd12d2d20aa7c9ee7c9a281c9908, it was introduced in version v5.15 by commit e39381770ec9ca3c51d8b9bd9cc6e01d78ea974a. For more details please see the references link.
Which versions are affected by GSD-2021-1002587?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002587?
No fix has been published for GSD-2021-1002587 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-2021-1002587 being exploited?
There is no known exploitation of GSD-2021-1002587 in the wild and no public exploit code.