GSD-2022-1004286 bpf: Use safer kvmalloc_array() where possible
A memory allocation issue in the Linux kernel BPF subsystem could allow local attackers to cause denial of service or escalate privileges.
- 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-2022-1004286?
GSD-2022-1004286 is a memory corruption 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: Use safer kvmalloc_array() where possible
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 v5.18.6 by commit 16fa23f1abee08b80f08fafea0c74caa602ec512, it was introduced in version v5.18 by commit 0dcac272540613d41c05e89679e4ddb978b612f1. For more details please see the references link.
Which versions are affected by GSD-2022-1004286?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004286?
No fix has been published for GSD-2022-1004286 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-2022-1004286 being exploited?
There is no known exploitation of GSD-2022-1004286 in the wild and no public exploit code.