GSD-2022-1001557 libbpf: Fix possible NULL pointer dereference when destroying skeleton
A NULL pointer dereference in libbpf skeleton destruction can cause a denial of service in the Linux kernel.
- 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-2022-1001557?
GSD-2022-1001557 is a 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
libbpf: Fix possible NULL pointer dereference when destroying skeleton
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 v5.16.19 by commit 650f1a4e01f1edbb168b557bcdb9218d48e58b03, it was introduced in version v5.6 by commit d66562fba1ce66975bd61b0786fb8b1810f33caa. For more details please see the references link.
Which versions are affected by GSD-2022-1001557?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001557?
No fix has been published for GSD-2022-1001557 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1001557 being exploited?
There is no known exploitation of GSD-2022-1001557 in the wild and no public exploit code.