GSD-2021-1001661 tty: Fix out-of-bound vmalloc access in imageblit
An out-of-bounds memory access in the Linux kernel's imageblit function can lead to system crashes or potential code execution.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Local or same network only
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1001661?
GSD-2021-1001661 is a memory corruption vulnerability in Kernel, published on 19 Oct 2021. It can only be exploited from the same machine or local network.
Official description
tty: Fix out-of-bound vmalloc access in imageblit
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 v5.10.71 by commit d570c48dd37dbe8fc6875d4461d01a9554ae2560. For more details please see the references link.
Which versions are affected by GSD-2021-1001661?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001661?
No fix has been published for GSD-2021-1001661 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-2021-1001661 being exploited?
There is no known exploitation of GSD-2021-1001661 in the wild and no public exploit code.