GSD-2022-1000813 bpf: Fix crash due to incorrect copy_map_value
A local attacker can cause a kernel crash via incorrect map value copying in the BPF subsystem, leading to 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-2022-1000813?
GSD-2022-1000813 is a vulnerability in Kernel, published on 18 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bpf: Fix crash due to incorrect copy_map_value
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 v5.15.26 by commit 719d1c2524c89ada78c4c9202641c1d9e942a322, it was introduced in version v5.15 by commit 68134668c17f31f51930478f75495b552a411550. For more details please see the references link.
Which versions are affected by GSD-2022-1000813?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000813?
No fix has been published for GSD-2022-1000813 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1000813 being exploited?
There is no known exploitation of GSD-2022-1000813 in the wild and no public exploit code.