GSD-2022-1000776 mm: Consider __GFP_NOWARN flag for oversized kvmalloc() calls
The Linux kernel may generate excessive warnings for oversized kvmalloc calls, potentially leading to log spam or resource exhaustion.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000776?
GSD-2022-1000776 is a denial of service vulnerability in Kernel, published on 18 Mar 2022.
Official description
mm: Consider __GFP_NOWARN flag for oversized kvmalloc() calls
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 v5.15.27 by commit 261eff11ade981b23dbbfc73c0ecae3966352974, it was introduced in version v5.15 by commit 7661809d493b426e979f39ab512e3adf41fbcc69. For more details please see the references link.
Which versions are affected by GSD-2022-1000776?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000776?
No fix has been published for GSD-2022-1000776 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1000776 being exploited?
There is no known exploitation of GSD-2022-1000776 in the wild and no public exploit code.