GSD-2023-1000260 libbpf: Handle size overflow for ringbuf mmap
An integer overflow in libbpf ringbuf mmap handling can lead to denial of service, requiring a kernel patch.
- 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-2023-1000260?
GSD-2023-1000260 is a 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
libbpf: Handle size overflow for ringbuf mmap
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 v5.10.158 by commit 8a549ab6724520aa3c07f47e0eba820293551490, it was introduced in version v5.8 by commit bf99c936f9478a05d51e9f101f90de70bee9a89c. For more details please see the references link.
Which versions are affected by GSD-2023-1000260?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000260?
No fix has been published for GSD-2023-1000260 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1000260 being exploited?
There is no known exploitation of GSD-2023-1000260 in the wild and no public exploit code.