UBUNTU-CVE-2025-21690
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.
02 / AFFECTED SOFTWARE
Affected packages
17 explicit affected versions
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53 explicit affected versions
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51 explicit affected versions
11 explicit affected versions
17 explicit affected versions
7 explicit affected versions
62 explicit affected versions
33 explicit affected versions
97 explicit affected versions
121 explicit affected versions
4 explicit affected versions
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60 explicit affected versions
13 explicit affected versions
43 explicit affected versions
77 explicit affected versions
119 explicit affected versions
10 explicit affected versions
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22 explicit affected versions
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14 explicit affected versions
4 explicit affected versions
78 explicit affected versions
11 explicit affected versions
1 explicit affected versions
69 explicit affected versions
123 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/d2138eab8cde61e0e6f62d0713e45202e8457d6d
- 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
- https://ubuntu.com/security/CVE-2025-21690
- https://ubuntu.com/security/notices/USN-7387-1
- https://ubuntu.com/security/notices/USN-7387-2
- https://ubuntu.com/security/notices/USN-7387-3
- https://ubuntu.com/security/notices/USN-7388-1
- https://ubuntu.com/security/notices/USN-7389-1
- https://ubuntu.com/security/notices/USN-7390-1
- https://ubuntu.com/security/notices/USN-7407-1
- https://ubuntu.com/security/notices/USN-7421-1
- https://ubuntu.com/security/notices/USN-7445-1
- https://ubuntu.com/security/notices/USN-7448-1
- https://ubuntu.com/security/notices/USN-7458-1
- https://ubuntu.com/security/notices/USN-7459-1
- https://ubuntu.com/security/notices/USN-7459-2
- https://ubuntu.com/security/notices/USN-7595-1
- https://ubuntu.com/security/notices/USN-7595-2
- https://ubuntu.com/security/notices/USN-7595-3
- https://ubuntu.com/security/notices/USN-7595-4
- https://ubuntu.com/security/notices/USN-7595-5
- https://ubuntu.com/security/notices/USN-7596-1
- https://ubuntu.com/security/notices/USN-7596-2
- https://ubuntu.com/security/notices/USN-7653-1
- https://www.cve.org/CVERecord?id=CVE-2025-21690