Bug 2383383 (CVE-2025-38366) - CVE-2025-38366 kernel: LoongArch: KVM: Check validity of "num_cpu" from user space
Summary: CVE-2025-38366 kernel: LoongArch: KVM: Check validity of "num_cpu" from user ...
Keywords:
Status: NEW
Alias: CVE-2025-38366
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-07-25 14:01 UTC by OSIDB Bzimport
Modified: 2025-07-25 19:47 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2025-07-25 14:01:37 UTC 
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.
Comment 1 Jon Moroney 2025-07-25 19:46:22 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025072558-CVE-2025-38366-26b8@gregkh/T
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