GSD-2022-1004340 ixgbe: Add locking to prevent panic when setting sriov_numvfs to zero
A race condition in the ixgbe driver can cause 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-2022-1004340?
GSD-2022-1004340 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 v5.15.58 by commit 16f929a5e76fd047fd8697e1e568bdd7d771955c, it was introduced in version v3.6 by commit d773d1310625be3b040b436178ad59a0af8888f1. For more details please see the references link.
Which versions are affected by GSD-2022-1004340?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004340?
No fix has been published for GSD-2022-1004340 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-2022-1004340 being exploited?
There is no known exploitation of GSD-2022-1004340 in the wild and no public exploit code.