GSD-2022-1006639 bpf: prevent decl_tag from being referenced in func_proto
A flaw in the Linux kernel BPF subsystem allows invalid type references, potentially leading to undefined behavior or crashes for local attackers.
- 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-2022-1006639?
GSD-2022-1006639 is a vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bpf: prevent decl_tag from being referenced in func_proto
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 v6.0.7 by commit e9dbb4c539d058852b76937dcd7347d3f38054f2, it was introduced in version v5.16 by commit bd16dee66ae4de3f1726c69ac901d2b7a53b0c86. For more details please see the references link.
Which versions are affected by GSD-2022-1006639?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006639?
No fix has been published for GSD-2022-1006639 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1006639 being exploited?
There is no known exploitation of GSD-2022-1006639 in the wild and no public exploit code.