CVE-2025-21690

Name	CVE-2025-21690
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.223-1	vulnerable
	bullseye (security)	5.10.226-1	vulnerable
	bookworm	6.1.123-1	vulnerable
	bookworm (security)	6.1.128-1	fixed
	trixie	6.12.12-1	fixed
	sid	6.12.13-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
linux	source	bookworm	6.1.128-1
linux	source	(unstable)	6.12.12-1

https://git.kernel.org/linus/d2138eab8cde61e0e6f62d0713e45202e8457d6d (6.14-rc1)