GSD-2021-1001339 misc: alcor_pci: fix null-ptr-deref when there is no PCI bridge
A null pointer dereference in the Alcor PCI driver can cause a system crash when no PCI bridge is present, requiring a kernel patch.
- 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-2021-1001339?
GSD-2021-1001339 is a vulnerability in Kernel, published on 3 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
misc: alcor_pci: fix null-ptr-deref when there is no PCI bridge
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 v5.4.134 by commit d2639ffdcad463b358b6bef8645ff81715daffcb. For more details please see the references link.
Which versions are affected by GSD-2021-1001339?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001339?
No fix has been published for GSD-2021-1001339 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001339 being exploited?
There is no known exploitation of GSD-2021-1001339 in the wild and no public exploit code.