GSD-2022-1000838 xen/netfront: destroy queues before real_num_tx_queues is zeroed
A null pointer dereference in the Xen netfront driver can cause a kernel crash, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000838?
GSD-2022-1000838 is a vulnerability in Kernel, published on 18 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
xen/netfront: destroy queues before real_num_tx_queues is zeroed
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 v5.10.104 by commit a1753d5c29a6fb9a8966dcf04cb4f3b71e303ae8, it was introduced in version v5.10.94 by commit 443133330a5d4a3fd429179d460cc297724fefe8. For more details please see the references link.
Which versions are affected by GSD-2022-1000838?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000838?
No fix has been published for GSD-2022-1000838 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1000838 being exploited?
There is no known exploitation of GSD-2022-1000838 in the wild and no public exploit code.