GSD-2021-1001420 tty: serial: 8250: serial_cs: Fix a memory leak in error handling path
A memory leak in the Linux kernel serial driver error path could allow local attackers to cause 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-2021-1001420?
GSD-2021-1001420 is a memory corruption vulnerability in Kernel, published on 3 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
tty: serial: 8250: serial_cs: Fix a memory leak in error handling path
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 v4.14.240 by commit 34f4590f5ec9859ea9136249f528173d150bd584. For more details please see the references link.
Which versions are affected by GSD-2021-1001420?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001420?
No fix has been published for GSD-2021-1001420 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-2021-1001420 being exploited?
There is no known exploitation of GSD-2021-1001420 in the wild and no public exploit code.