GSD-2021-1000368 io_uring: fix overflows checks in provide buffers
An integer overflow in Linux kernel io_uring provide buffers allows local attackers to potentially escalate privileges or execute code.
- 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-2021-1000368?
GSD-2021-1000368 is a vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
io_uring: fix overflows checks in provide buffers
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 v5.10.37 by commit cbbc13b115b8f18e0a714d89f87fbdc499acfe2d, it was introduced in version v5.8 by commit efe68c1ca8f49e8c06afd74b699411bfbb8ba1ff. For more details please see the references link.
Which versions are affected by GSD-2021-1000368?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000368?
No fix has been published for GSD-2021-1000368 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000368 being exploited?
There is no known exploitation of GSD-2021-1000368 in the wild and no public exploit code.