GSD-2021-1001975 nvmem: Fix shift-out-of-bound (UBSAN) with byte size cells
A shift-out-of-bound error in the Linux kernel nvmem subsystem can cause undefined behavior, potentially leading to a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1001975?
GSD-2021-1001975 is a vulnerability in Kernel, published on 14 Nov 2021.
Official description
nvmem: Fix shift-out-of-bound (UBSAN) with byte size cells
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 v4.19.213 by commit eb0fc8e7170e61eaf65d28dee4a8baf4e86b19ca, it was introduced in version v4.3 by commit 69aba7948cbe53f2f1827e84e9dd0ae470a5072e. For more details please see the references link.
Which versions are affected by GSD-2021-1001975?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001975?
No fix has been published for GSD-2021-1001975 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001975 being exploited?
There is no known exploitation of GSD-2021-1001975 in the wild and no public exploit code.