GSD-2021-1000550 net: dsa: fix a crash if ->get_sset_count() fails
A crash in the Linux kernel DSA subsystem occurs if get_sset_count fails, allowing local attackers to cause a denial of service.
- 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-2021-1000550?
GSD-2021-1000550 is a vulnerability in Kernel, published on 4 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: dsa: fix a crash if ->get_sset_count() fails
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 v5.12.9 by commit 7b22466648a4f8e3e94f57ca428d1531866d1373, it was introduced in version v4.7 by commit badf3ada60ab8f76f9488dc8f5c0c57f70682f5a. For more details please see the references link.
Which versions are affected by GSD-2021-1000550?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000550?
No fix has been published for GSD-2021-1000550 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000550 being exploited?
There is no known exploitation of GSD-2021-1000550 in the wild and no public exploit code.