GSD-2022-1004525 ixgbe: Add locking to prevent panic when setting sriov_numvfs to zero
A race condition in the ixgbe driver causes a kernel panic when disabling SR-IOV, requiring privileged access to trigger.
- 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-2022-1004525?
GSD-2022-1004525 is a denial of service vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ixgbe: Add locking to prevent panic when setting sriov_numvfs to zero
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 v5.10.134 by commit b82de63f8f817b5735480293dda8e92ba8170c52, it was introduced in version v3.6 by commit d773d1310625be3b040b436178ad59a0af8888f1. For more details please see the references link.
Which versions are affected by GSD-2022-1004525?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004525?
No fix has been published for GSD-2022-1004525 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-2022-1004525 being exploited?
There is no known exploitation of GSD-2022-1004525 in the wild and no public exploit code.