GSD-2021-1000105 tpm: efi: Use local variable for calculating final log size
A potential integer overflow in the Linux Kernel TPM EFI code could lead to denial of service, 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-2021-1000105?
GSD-2021-1000105 is a vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
tpm: efi: Use local variable for calculating final log size
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 v5.11.20 by commit 3818b753277f5ca0c170bf5b98e0a5a225542fcb, it was introduced in version v5.3 by commit 166a2809d65b282272c474835ec22c882a39ca1b. For more details please see the references link.
Which versions are affected by GSD-2021-1000105?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000105?
No fix has been published for GSD-2021-1000105 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000105 being exploited?
There is no known exploitation of GSD-2021-1000105 in the wild and no public exploit code.