GSD-2023-1000391 bpf: Fix panic due to wrong pageattr of im->image
A local attacker with high privileges can trigger a kernel panic via incorrect page attributes in BPF image handling, causing system denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000391?
GSD-2023-1000391 is a denial of service vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bpf: Fix panic due to wrong pageattr of im->image
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 v6.0.19 by commit d9d383cbf812a3b4094c089aa5f5d41a3bb4531d, it was introduced in version v6.0 by commit 00963a2e75a872e5fce4d0115ac2786ec86b57a6. For more details please see the references link.
Which versions are affected by GSD-2023-1000391?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000391?
No fix has been published for GSD-2023-1000391 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-2023-1000391 being exploited?
There is no known exploitation of GSD-2023-1000391 in the wild and no public exploit code.