GSD-2022-1001820 kernel/resource: fix kfree() of bootmem memory again
A kernel bug allows invalid memory freeing, potentially causing system crashes or denial of service for local attackers.
- 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-2022-1001820?
GSD-2022-1001820 is a memory corruption vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
kernel/resource: fix kfree() of bootmem memory again
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 v5.15.33 by commit a9e88c2618d228d7a4e7e515cf30dc0d0d813f27, it was introduced in version v3.10 by commit ebff7d8f270d045338d9f4796014f4db429a17f9. For more details please see the references link.
Which versions are affected by GSD-2022-1001820?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001820?
No fix has been published for GSD-2022-1001820 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1001820 being exploited?
There is no known exploitation of GSD-2022-1001820 in the wild and no public exploit code.