GSD-2022-1001487 net/sched: act_ct: fix ref leak when switching zones
A reference leak in the Linux kernel's connection tracking action 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-2022-1001487?
GSD-2022-1001487 is a memory corruption vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net/sched: act_ct: fix ref leak when switching zones
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 v5.16.19 by commit 4bb42d73def9411e5cad885b9811987d72431df1, it was introduced in version v5.16.12 by commit e9408de00e5ecd0dbe91cf061c7da23711c4febb. For more details please see the references link.
Which versions are affected by GSD-2022-1001487?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001487?
No fix has been published for GSD-2022-1001487 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1001487 being exploited?
There is no known exploitation of GSD-2022-1001487 in the wild and no public exploit code.