GSD-2022-1001803 net/sched: act_ct: fix ref leak when switching zones
A reference leak in the Linux kernel's connection tracking action allows local attackers to cause a 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-2022-1001803?
GSD-2022-1001803 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 v5.15.33 by commit bcbf4e5c3b5b373cd61528392dd1ec8e9c0fd33d, it was introduced in version v5.15.26 by commit a95ea90deb3071c1ded77a05e91cfebc5238d908. For more details please see the references link.
Which versions are affected by GSD-2022-1001803?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001803?
No fix has been published for GSD-2022-1001803 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-2022-1001803 being exploited?
There is no known exploitation of GSD-2022-1001803 in the wild and no public exploit code.