GSD-2021-1001877 ucounts: Proper error handling in set_cred_ucounts
Improper error handling in Linux kernel ucounts allows local attackers to cause a denial of service.
- 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-2021-1001877?
GSD-2021-1001877 is a vulnerability in Kernel, published on 28 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ucounts: Proper error handling in set_cred_ucounts
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 v5.14.15 by commit 1eb825343d636bcf7198a9cdbacd07867e313f51, it was introduced in version v5.14 by commit 905ae01c4ae2ae3df05bb141801b1db4b7d83c61. For more details please see the references link.
Which versions are affected by GSD-2021-1001877?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001877?
No fix has been published for GSD-2021-1001877 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001877 being exploited?
There is no known exploitation of GSD-2021-1001877 in the wild and no public exploit code.