GSD-2023-1000732 bpftool: Fix memory leak in do_build_table_cb
A memory leak in bpftool's do_build_table_cb function can lead to resource exhaustion and denial of service.
- 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-2023-1000732?
GSD-2023-1000732 is a memory corruption 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
bpftool: Fix memory leak in do_build_table_cb
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 v6.0.16 by commit fac5f59fb03f9ce144fd8684e6c063ccd4e0aa42, it was introduced in version v5.16 by commit 8f184732b60b74a8f8ba0d9a5c248bf611b1ebba. For more details please see the references link.
Which versions are affected by GSD-2023-1000732?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000732?
No fix has been published for GSD-2023-1000732 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-2023-1000732 being exploited?
There is no known exploitation of GSD-2023-1000732 in the wild and no public exploit code.