GSD-2021-1000654 net: dsa: fix a crash if ->get_sset_count() fails
A null pointer dereference in the Linux kernel DSA subsystem can cause a system crash when get_sset_count fails, leading to 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-2021-1000654?
GSD-2021-1000654 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 v4.19.193 by commit 0f2cb08c57edefb0e7b5045e0e3e9980a3d3aa37, it was introduced in version v4.7 by commit badf3ada60ab8f76f9488dc8f5c0c57f70682f5a. For more details please see the references link.
Which versions are affected by GSD-2021-1000654?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000654?
No fix has been published for GSD-2021-1000654 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000654 being exploited?
There is no known exploitation of GSD-2021-1000654 in the wild and no public exploit code.