GSD-2021-1001347 smackfs: restrict bytes count in smk_set_cipso()
An integer overflow in the Linux kernel's smackfs module 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-2021-1001347?
GSD-2021-1001347 is a vulnerability in Kernel, published on 3 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
smackfs: restrict bytes count in smk_set_cipso()
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 v5.4.133 by commit 135122f174c357b7a3e58f40fa5792156c5e93e6. For more details please see the references link.
Which versions are affected by GSD-2021-1001347?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001347?
No fix has been published for GSD-2021-1001347 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001347 being exploited?
There is no known exploitation of GSD-2021-1001347 in the wild and no public exploit code.