GSD-2022-1004426 bpf: Fix insufficient bounds propagation from adjust_scalar_min_max_vals
Insufficient bounds propagation in the Linux Kernel BPF verifier may allow local attackers to bypass security checks and potentially escalate privileges or execute code.
- 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-2022-1004426?
GSD-2022-1004426 is a vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bpf: Fix insufficient bounds propagation from adjust_scalar_min_max_vals
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 v5.15.54 by commit a7de8d436db92bab8b1f44624297c2554a6ac36b, it was introduced in version v4.14 by commit b03c9f9fdc37dab81ea04d5dacdc5995d4c224c2. For more details please see the references link.
Which versions are affected by GSD-2022-1004426?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004426?
No fix has been published for GSD-2022-1004426 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004426 being exploited?
There is no known exploitation of GSD-2022-1004426 in the wild and no public exploit code.