GSD-2021-1000143 tpm: efi: Use local variable for calculating final log size
A potential integer overflow in the Linux Kernel TPM EFI log size calculation was fixed, though specific impact remains unproven.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1000143?
GSD-2021-1000143 is a vulnerability in Kernel, published on 31 May 2021.
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 v5.10.36 by commit 60a01ecc9f68067e4314a0b55148e39e5d58a51b, it was introduced in version v5.3 by commit 166a2809d65b282272c474835ec22c882a39ca1b. For more details please see the references link.
Which versions are affected by GSD-2021-1000143?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000143?
No fix has been published for GSD-2021-1000143 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000143 being exploited?
There is no known exploitation of GSD-2021-1000143 in the wild and no public exploit code.