GSD-2022-1000554 crypto: af_alg - get rid of alg_memory_allocated
A flaw in the Linux kernel's crypto subsystem could allow local attackers to cause a denial of service via memory allocation issues.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000554?
GSD-2022-1000554 is a denial of service vulnerability in Kernel, published on 27 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
crypto: af_alg - get rid of alg_memory_allocated
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 v5.16.11 by commit 9d06f489b9e901580159e21fdc29f73df7ed08dc, it was introduced in version v5.16 by commit 2bb2f5fb21b0486ff69b7b4a1fe03a760527d133. For more details please see the references link.
Which versions are affected by GSD-2022-1000554?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000554?
No fix has been published for GSD-2022-1000554 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-2022-1000554 being exploited?
There is no known exploitation of GSD-2022-1000554 in the wild and no public exploit code.