GSD-2022-1004377 vt: fix memory overlapping when deleting chars in the buffer
A memory overlapping issue in the Linux kernel virtual terminal buffer allows local attackers to potentially execute code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004377?
GSD-2022-1004377 is a memory corruption vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
vt: fix memory overlapping when deleting chars in the buffer
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 v5.15.56 by commit 57964a5710252bc82fe22d9fa98c180c58c20244, it was introduced in version v3.7 by commit 81732c3b2fede049a692e58a7ceabb6d18ffb18c. For more details please see the references link.
Which versions are affected by GSD-2022-1004377?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004377?
No fix has been published for GSD-2022-1004377 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-2022-1004377 being exploited?
There is no known exploitation of GSD-2022-1004377 in the wild and no public exploit code.