GSD-2021-1002657 net: systemport: Add global locking for descriptor lifecycle
A race condition in the Linux kernel systemport driver could lead to denial of service due to missing global locking for descriptor lifecycle.
- 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-2021-1002657?
GSD-2021-1002657 is a 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
net: systemport: Add global locking for descriptor lifecycle
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 v4.19.222 by commit 595a684fa6f23b21958379a18cfa83862c73c2e1, it was introduced in version v3.16 by commit 80105befdb4b8cea924711b40b2462b87df65b62. For more details please see the references link.
Which versions are affected by GSD-2021-1002657?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002657?
No fix has been published for GSD-2021-1002657 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002657 being exploited?
There is no known exploitation of GSD-2021-1002657 in the wild and no public exploit code.