GSD-2022-1005829 powerpc/xive: Fix refcount leak in xive_get_max_prio
A refcount leak in the Linux kernel's powerpc/xive 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-2022-1005829?
GSD-2022-1005829 is a denial of service vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
powerpc/xive: Fix refcount leak in xive_get_max_prio
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 v5.10.137 by commit 6d1e53f7f181a11a8a343def1e0d0209905b7c64, it was introduced in version v4.14 by commit eac1e731b59ee3b5f5e641a7765c7ed41ed26226. For more details please see the references link.
Which versions are affected by GSD-2022-1005829?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005829?
No fix has been published for GSD-2022-1005829 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-2022-1005829 being exploited?
There is no known exploitation of GSD-2022-1005829 in the wild and no public exploit code.