CVE-2025-21690 Information

Description

In the Linux kernel the following vulnerability has been resolved:

scsi: storvsc: Ratelimit warning logs to prevent VM denial of service

If there’s a persistent error in the hypervisor the SCSI warning for failed I/O can flood the kernel log and max out CPU utilization preventing troubleshooting from the VM side. Ratelimit the warning so it doesn’t DoS the VM.

Reference

https://git.kernel.org/stable/c/01d1ebdab9ccb73c952e1666a8a80abd194dbc55 https://git.kernel.org/stable/c/088bde862f8d3d0fc52e40e66a0484a246837087 https://git.kernel.org/stable/c/182a4b7c731e95c08cb47f14b87a272b6ab2b2da https://git.kernel.org/stable/c/81d4dd05c412ba04f9f6b85b718e6da833be290c https://git.kernel.org/stable/c/d0f0af1bafef33b3e2aa8c3a4ef44db48df9b0ea https://git.kernel.org/stable/c/d2138eab8cde61e0e6f62d0713e45202e8457d6d