GSD-2022-1007807 bpf, verifier: Fix memory leak in array reallocation for stack state
A memory leak in the Linux kernel BPF verifier allows local attackers to cause denial of service by exhausting system memory.
- 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-2022-1007807?
GSD-2022-1007807 is a memory corruption vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bpf, verifier: Fix memory leak in array reallocation for stack state
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 v6.0.9 by commit 3e210891c4a4c2d858cd6f9f61d5809af251d4df, it was introduced in version v5.14 by commit c69431aab67a912836e5831f03d99a819c14c9c3. For more details please see the references link.
Which versions are affected by GSD-2022-1007807?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007807?
No fix has been published for GSD-2022-1007807 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-2022-1007807 being exploited?
There is no known exploitation of GSD-2022-1007807 in the wild and no public exploit code.