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CVE-2025-21690— scsi: storvsc: Ratelimit warning logs to prevent VM denial of service

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞。攻击者利用该漏洞可以导致程序拒绝服务。

AI Predicted 6.5 Difficulty: Moderate EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1499.003 · Application Exhaustion Flood

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux f8aea701b77c26732f151aab4f0a70e62eb53d86< 81d4dd05c412ba04f9f6b85b718e6da833be290c affected
f8aea701b77c26732f151aab4f0a70e62eb53d86< 182a4b7c731e95c08cb47f14b87a272b6ab2b2da affected
f8aea701b77c26732f151aab4f0a70e62eb53d86< 088bde862f8d3d0fc52e40e66a0484a246837087 affected
f8aea701b77c26732f151aab4f0a70e62eb53d86< 01d1ebdab9ccb73c952e1666a8a80abd194dbc55 affected
f8aea701b77c26732f151aab4f0a70e62eb53d86< d0f0af1bafef33b3e2aa8c3a4ef44db48df9b0ea affected
f8aea701b77c26732f151aab4f0a70e62eb53d86< d2138eab8cde61e0e6f62d0713e45202e8457d6d affected
4.5 affected
< 4.5 unaffected
… +6 more rows
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I. Basic Information for CVE-2025-21690

Vulnerability Information
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Vulnerability Title
scsi: storvsc: Ratelimit warning logs to prevent VM denial of service
Source: CVE Program / CVE List V5
Vulnerability 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 Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞。攻击者利用该漏洞可以导致程序拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux f8aea701b77c26732f151aab4f0a70e62eb53d86 ~ 81d4dd05c412ba04f9f6b85b718e6da833be290c -
Linux Linux 4.5 -

II. Public POCs for CVE-2025-21690

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III. Intelligence Information for CVE-2025-21690

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Patches & Fixes for CVE-2025-21690 (6)

Same Patch Batch · Linux · 2025-02-10 · 8 CVEs total

CVE-2025-21687 7.8 HIGH vfio/platform: check the bounds of read/write syscalls
CVE-2025-21692 7.8 HIGH net: sched: fix ets qdisc OOB Indexing
CVE-2025-21693 7.8 HIGH mm: zswap: properly synchronize freeing resources during CPU hotunplug
CVE-2024-57950 drm/amd/display: Initialize denominator defaults to 1
CVE-2025-21689 USB: serial: quatech2: fix null-ptr-deref in qt2_process_read_urb()
CVE-2025-21688 drm/v3d: Assign job pointer to NULL before signaling the fence
CVE-2025-21691 cachestat: fix page cache statistics permission checking

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-21690

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