GSD-2022-1005215 net: 9p: fix refcount leak in p9_read_work() error handling
A refcount leak in the Linux Kernel 9p filesystem error handling can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1005215?
GSD-2022-1005215 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
net: 9p: fix refcount leak in p9_read_work() error handling
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 v5.19.2 by commit 34b9a188557c1d5a50e07cf228d054101aee0af3, it was introduced in version v4.20 by commit 728356dedeff8ef999cb436c71333ef4ac51a81c. For more details please see the references link.
Which versions are affected by GSD-2022-1005215?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005215?
No fix has been published for GSD-2022-1005215 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-2022-1005215 being exploited?
There is no known exploitation of GSD-2022-1005215 in the wild and no public exploit code.