GSD-2022-1004201 xen/netback: avoid entering xenvif_rx_next_skb() with an empty rx queue
A null pointer dereference in the Xen netback 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-2022-1004201?
GSD-2022-1004201 is a 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
xen/netback: avoid entering xenvif_rx_next_skb() with an empty rx queue
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 v5.18.13 by commit f0b5c819b062df8bf5f2acf4697e3871cb3722da, it was introduced in version v4.9 by commit 98f6d57ced73b723551568262019f1d6c8771f20. For more details please see the references link.
Which versions are affected by GSD-2022-1004201?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004201?
No fix has been published for GSD-2022-1004201 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004201 being exploited?
There is no known exploitation of GSD-2022-1004201 in the wild and no public exploit code.