GSD-2021-1000929 can: mcba_usb: fix memory leak in mcba_usb
A memory leak in the Linux kernel's mcba_usb CAN driver allows attackers to cause a denial of service by exhausting system memory.
- 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-2021-1000929?
GSD-2021-1000929 is a denial of service vulnerability in Kernel, published on 30 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
can: mcba_usb: fix memory leak in mcba_usb
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 v5.4.128 by commit 6f87c0e21ad20dd3d22108e33db1c552dfa352a0, it was introduced in version v4.12 by commit 51f3baad7de943780ce0c17bd7975df567dd6e14. For more details please see the references link.
Which versions are affected by GSD-2021-1000929?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000929?
No fix has been published for GSD-2021-1000929 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2021-1000929 being exploited?
There is no known exploitation of GSD-2021-1000929 in the wild and no public exploit code.