GSD-2021-1001120 net: qed: Fix memcpy() overflow of qed_dcbx_params()
A memcpy overflow in the qed network driver allows attackers to cause memory corruption, potentially leading to denial of service or code execution.
- 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-2021-1001120?
GSD-2021-1001120 is a memory corruption vulnerability in Kernel, published on 8 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: qed: Fix memcpy() overflow of qed_dcbx_params()
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 v5.4.129 by commit 70866199220ebae6161728944a76ad071ff908d1. For more details please see the references link.
Which versions are affected by GSD-2021-1001120?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001120?
No fix has been published for GSD-2021-1001120 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2021-1001120 being exploited?
There is no known exploitation of GSD-2021-1001120 in the wild and no public exploit code.