GSD-2022-1006136 powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address
A refcount leak in the Linux kernel's powerpc cell axon_msi driver can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1006136?
GSD-2022-1006136 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/cell/axon_msi: Fix refcount leak in setup_msi_msg_address
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 v4.19.256 by commit 51cf876b11fb6ca06f69e9d1de58f892d1522e9d, it was introduced in version v2.6.23 by commit ce21b3c9648ae55181787bf25ee00cf91dfd5c91. For more details please see the references link.
Which versions are affected by GSD-2022-1006136?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006136?
No fix has been published for GSD-2022-1006136 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-2022-1006136 being exploited?
There is no known exploitation of GSD-2022-1006136 in the wild and no public exploit code.