GSD-2022-1006513 net: sched: fix possible refcount leak in tc_new_tfilter()
A refcount leak in the Linux kernel traffic control subsystem 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-2022-1006513?
GSD-2022-1006513 is a denial of service vulnerability in Kernel, published on 9 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: sched: fix possible refcount leak in tc_new_tfilter()
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 v5.19.12 by commit 0559d91ee3a2cd81b15ad5cd507539d6da867f88, it was introduced in version v5.1 by commit 7d5509fa0d3ddfe252b4418513e493ac98de3317. For more details please see the references link.
Which versions are affected by GSD-2022-1006513?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006513?
No fix has been published for GSD-2022-1006513 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-2022-1006513 being exploited?
There is no known exploitation of GSD-2022-1006513 in the wild and no public exploit code.