GSD-2022-1004997 bpf, cgroup: Fix kernel BUG in purge_effective_progs
A kernel bug in cgroup BPF program purging can cause a system crash, requiring local privileged access to exploit.
- 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-2022-1004997?
GSD-2022-1004997 is a denial of service vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bpf, cgroup: Fix kernel BUG in purge_effective_progs
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 v5.19.8 by commit a1a05d3ae58299b040da4d5b27e72e81c2132e0b, it was introduced in version v5.19.2 by commit be001f9da71eaa3b61e186fb88bde3279728bdca. For more details please see the references link.
Which versions are affected by GSD-2022-1004997?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004997?
No fix has been published for GSD-2022-1004997 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1004997 being exploited?
There is no known exploitation of GSD-2022-1004997 in the wild and no public exploit code.