GSD-2022-1002174 mmmremap.c: avoid pointless invalidate_range_start/end on mremap(old_size=0)
A fix for a pointless invalidation in mremap with old_size=0 in the Linux kernel, with unproven security impact.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1002174?
GSD-2022-1002174 is a vulnerability in Kernel, published on 24 Apr 2022.
Official description
mmmremap.c: avoid pointless invalidate_range_start/end on mremap(old_size=0)
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 v5.4.189 by commit c19d8de4e682ec4b0ea2b04a832cd8cc0be3bb31. For more details please see the references link.
Which versions are affected by GSD-2022-1002174?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002174?
No fix has been published for GSD-2022-1002174 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1002174 being exploited?
There is no known exploitation of GSD-2022-1002174 in the wild and no public exploit code.