GSD-2021-1001713 netfilter: ipset: Fix oversized kvmalloc() calls
A local attacker can trigger oversized memory allocations in the Linux kernel ipset module, potentially causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1001713?
GSD-2021-1001713 is a denial of service vulnerability in Kernel, published on 19 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
netfilter: ipset: Fix 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 v5.14.10 by commit 3213f5f8d4add82c3369f30334d105177a108e39. For more details please see the references link.
Which versions are affected by GSD-2021-1001713?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001713?
No fix has been published for GSD-2021-1001713 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-2021-1001713 being exploited?
There is no known exploitation of GSD-2021-1001713 in the wild and no public exploit code.