5.5

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

Modified
AliasesUBUNTU-CVE-2025-21690DEBIAN-CVE-2025-21690
Published 10-02-2025Last modified 11-05-2026

Vulnerability summary

CVE-2025-21690 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.9% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 40 · Related 37
DLA-4076-1MGASA-2025-0078MGASA-2025-0079SUSE-SU-2025:0784-1SUSE-SU-2025:0833-1SUSE-SU-2025:0833-2

Timeline

  1. 10-02-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.21% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu137 products
  • linuxAll versions (No fix recorded) | < 5.15.0-135.146 | < 6.8.0-62.65
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1080.87 | < 6.8.0-1030.32
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ f8aea701b77c26732f151aab4f0a70e62eb53d86, < 81d4dd05c412ba04f9f6b85b718e6da833be290c | ≥ f8aea701b77c26732f151aab4f0a70e62eb53d86, < 182a4b7c731e95c08cb47f14b87a272b6ab2b2da | ≥ f8aea701b77c26732f151aab4f0a70e62eb53d86, < 088bde862f8d3d0fc52e40e66a0484a246837087 | ≥ f8aea701b77c26732f151aab4f0a70e62eb53d86, < 01d1ebdab9ccb73c952e1666a8a80abd194dbc55 | ≥ f8aea701b77c26732f151aab4f0a70e62eb53d86, < d0f0af1bafef33b3e2aa8c3a4ef44db48df9b0ea | ≥ f8aea701b77c26732f151aab4f0a70e62eb53d86, < d2138eab8cde61e0e6f62d0713e45202e8457d6d | 4.5
  • linux_kernelEOL< 5.15.178 | ≥ 5.16, < 6.1.128 | ≥ 6.2, < 6.6.75 | ≥ 6.7, < 6.12.12 | 6.13 | 6.13:rc1 | 6.13:rc2 | 6.13:rc3 | 6.13:rc4 | 6.13:rc5 | 6.13:rc6 | 6.13:rc7
Debian1 product
  • linux< 6.1.128-1 | < 6.12.12-1

3 vendors · 140 products

References

33 links
Show all 33 references