GSD-2022-1003977 PCI: Avoid pci_dev_lock() AB/BA deadlock with sriov_numvfs_store()
A race condition in the Linux kernel PCI subsystem can cause a deadlock, leading to denial of service for privileged users.
- 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-2022-1003977?
GSD-2022-1003977 is a vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
PCI: Avoid pci_dev_lock() AB/BA deadlock with sriov_numvfs_store()
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 v4.14.283 by commit c3c6dc1853b8bf3c718f96fd8480a6eb09ba4831. For more details please see the references link.
Which versions are affected by GSD-2022-1003977?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003977?
No fix has been published for GSD-2022-1003977 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1003977 being exploited?
There is no known exploitation of GSD-2022-1003977 in the wild and no public exploit code.