GSD-2021-1001481 tty: serial: 8250: serial_cs: Fix a memory leak in error handling path
A memory leak in the Linux kernel serial driver error path 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-2021-1001481?
GSD-2021-1001481 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 v4.4.276 by commit b5a2799cd62ed30c81b22c23028d9ee374e2138c. For more details please see the references link.
Which versions are affected by GSD-2021-1001481?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001481?
No fix has been published for GSD-2021-1001481 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-2021-1001481 being exploited?
There is no known exploitation of GSD-2021-1001481 in the wild and no public exploit code.