GSD-2021-1002561 net: qlogic: qlcnic: Fix a NULL pointer dereference in qlcnic_83xx_add_rings()
A NULL pointer dereference in the QLogic qlcnic driver can cause a kernel crash, 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-2021-1002561?
GSD-2021-1002561 is a vulnerability in Kernel, published on 19 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: qlogic: qlcnic: Fix a NULL pointer dereference in qlcnic_83xx_add_rings()
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 v5.15.7 by commit c5ef33c1489b2cd74368057fa00b5d2183bb5853, it was introduced in version v3.9 by commit 7f9664525f9cb507de9198a395a111371413f230. For more details please see the references link.
Which versions are affected by GSD-2021-1002561?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002561?
No fix has been published for GSD-2021-1002561 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002561 being exploited?
There is no known exploitation of GSD-2021-1002561 in the wild and no public exploit code.