GSD-2022-1001940 uaccess: fix integer overflow on access_ok()
An integer overflow in the Linux kernel's access_ok function may allow local attackers to bypass memory access checks, potentially leading to privilege escalation or code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1001940?
GSD-2022-1001940 is a vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
uaccess: fix integer overflow on access_ok()
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 v5.15.32 by commit e65d28d4e9bf90a35ba79c06661a572a38391dec, it was introduced in version v4.20 by commit da551281947cb2c0ab6e0045529a706af5d79584. For more details please see the references link.
Which versions are affected by GSD-2022-1001940?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001940?
No fix has been published for GSD-2022-1001940 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1001940 being exploited?
There is no known exploitation of GSD-2022-1001940 in the wild and no public exploit code.