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CVE-2025-38366

LoongArch: KVM: Check validity of "num_cpu" from user space

Description

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Check validity of "num_cpu" from user space The maximum supported cpu number is EIOINTC_ROUTE_MAX_VCPUS about irqchip EIOINTC, here add validation about cpu number to avoid array pointer overflow.

Timeline

  1. ID reserved

    By Linux

  2. · 3 months later

    Published

  3. · 13 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2025-38366, by who scored it
Scored byCVSSScoreVector
LinuxCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.17% · top 94% of all CVEs (11 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Affected products

  • Linux · Linux

    • affected 1ad7efa552fd5cf4e8c49fea863c5c6a5dcf9f00 – < a3293b4078ee93174f70f36d3ab7618554ce6ab6
    • affected 1ad7efa552fd5cf4e8c49fea863c5c6a5dcf9f00 – < cc8d5b209e09d3b52bca1ffe00045876842d96ae
  • Linux · Linux

    • affected 6.13
    • unaffected < 6.13
    • unaffected 6.15.5 – ≤ 6.15.*
    • unaffected 6.16 – ≤ *

References

2

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2025-38366 badge
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Record last updated .