GSD-2021-1000762 efi/fdt: fix panic when no valid fdt found
A null pointer dereference in the Linux kernel EFI/FDT code causes a system panic when no valid FDT is found, 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-2021-1000762?
GSD-2021-1000762 is a vulnerability in Kernel, published on 25 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
efi/fdt: fix panic when no valid fdt found
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 v5.10.43 by commit 5148066edbdc89c6fe5bc419c31a5c22e5f83bdb, it was introduced in version v5.10 by commit b91540d52a08b65eb6a2b09132e1bd54fa82754c. For more details please see the references link.
Which versions are affected by GSD-2021-1000762?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000762?
No fix has been published for GSD-2021-1000762 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000762 being exploited?
There is no known exploitation of GSD-2021-1000762 in the wild and no public exploit code.