GSD-2021-1000064 sfc: adjust efx->xdp_tx_queue_count with the real number of initialized queues
A logic error in the sfc network driver incorrectly tracks XDP TX queue counts, potentially causing resource management issues in the Linux kernel.
- 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-2021-1000064?
GSD-2021-1000064 is a vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
sfc: adjust efx->xdp_tx_queue_count with the real number of initialized queues
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 v5.12.3 by commit ebeac958b690123a0b40aa61f688f2f170035fad, it was introduced in version v5.12 by commit e26ca4b535820b1445dcef3c0f82b3fb5b45108b. For more details please see the references link.
Which versions are affected by GSD-2021-1000064?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000064?
No fix has been published for GSD-2021-1000064 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000064 being exploited?
There is no known exploitation of GSD-2021-1000064 in the wild and no public exploit code.