GSD-2021-1001539 tty: Fix out-of-bound vmalloc access in imageblit
An out-of-bounds vmalloc access in the Linux kernel imageblit function could lead to memory corruption, requiring a kernel patch.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1001539?
GSD-2021-1001539 is a memory corruption vulnerability in Kernel, published on 19 Oct 2021.
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 v4.14.249 by commit 067c694d06040db6f0c65281bb358452ca6d85b9. For more details please see the references link.
Which versions are affected by GSD-2021-1001539?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001539?
No fix has been published for GSD-2021-1001539 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-2021-1001539 being exploited?
There is no known exploitation of GSD-2021-1001539 in the wild and no public exploit code.