GSD-2022-1007991 netfilter: ipset: enforce documented limit to prevent allocating huge memory
A local attacker can trigger excessive memory allocation in the Linux kernel ipset module, 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-2022-1007991?
GSD-2022-1007991 is a denial of service vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
netfilter: ipset: enforce documented limit to prevent allocating huge memory
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 v5.15.78 by commit 42d20d5e24575c9afa2d66d9a51e7386db9514f5, it was introduced in version v5.11 by commit ccf0a4b7fc688561428290265e4effde41446668. For more details please see the references link.
Which versions are affected by GSD-2022-1007991?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007991?
No fix has been published for GSD-2022-1007991 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-2022-1007991 being exploited?
There is no known exploitation of GSD-2022-1007991 in the wild and no public exploit code.