GSD-2021-1002733 vduse: check that offset is within bounds in get_config()
A missing bounds check in the Linux Kernel vduse driver allows local attackers to trigger memory corruption, potentially leading to privilege escalation.
- 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-2021-1002733?
GSD-2021-1002733 is a memory corruption vulnerability in Kernel, published on 27 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
vduse: check that offset is within bounds in get_config()
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 v5.15.11 by commit ebbbc5fea3f648175df1aa3f127c78eb0252cc2a, it was introduced in version v5.15 by commit c8a6153b6c59d95c0e091f053f6f180952ade91e. For more details please see the references link.
Which versions are affected by GSD-2021-1002733?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002733?
No fix has been published for GSD-2021-1002733 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-2021-1002733 being exploited?
There is no known exploitation of GSD-2021-1002733 in the wild and no public exploit code.