Bug 2376392 (CVE-2025-38200) - CVE-2025-38200 kernel: i40e: fix MMIO write access to an invalid page in i40e_clear_hw
Summary: CVE-2025-38200 kernel: i40e: fix MMIO write access to an invalid page in i40e...
Keywords:
Status: NEW
Alias: CVE-2025-38200
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
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Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-07-04 14:03 UTC by OSIDB Bzimport
Modified: 2025-07-07 05:07 UTC (History)
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Description OSIDB Bzimport 2025-07-04 14:03:30 UTC 
In the Linux kernel, the following vulnerability has been resolved:

i40e: fix MMIO write access to an invalid page in i40e_clear_hw

When the device sends a specific input, an integer underflow can occur, leading
to MMIO write access to an invalid page.

Prevent the integer underflow by changing the type of related variables.
Comment 1 Avinash Hanwate 2025-07-07 04:58:32 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025070418-CVE-2025-38200-47d9@gregkh/T
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