GSD-2022-1007963 bpf, sockmap: Fix the sk->sk_forward_alloc warning of sk_stream_kill_queues
A bug in the Linux kernel's sockmap implementation can trigger a warning in sk_stream_kill_queues, potentially leading to a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1007963?
GSD-2022-1007963 is a denial of service vulnerability in Kernel, published on 8 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
bpf, sockmap: Fix the sk->sk_forward_alloc warning of sk_stream_kill_queues
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 v5.15.79 by commit 95adbd2ac8de82e43fd6b347e7e1b47f74dc1abb, it was introduced in version v5.15.33 by commit 168ff181f5b6e7fce684c98a30d35da1dbf8f82a. For more details please see the references link.
Which versions are affected by GSD-2022-1007963?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007963?
No fix has been published for GSD-2022-1007963 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-2022-1007963 being exploited?
There is no known exploitation of GSD-2022-1007963 in the wild and no public exploit code.