CVE-2025-71155
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2026-01-23

Last updated on: 2026-02-26

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix gmap_helper_zap_one_page() again A few checks were missing in gmap_helper_zap_one_page(), which can lead to memory corruption in the guest under specific circumstances. Add the missing checks.
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Meta Information
Published
2026-01-23
Last Modified
2026-02-26
Generated
2026-06-16
AI Q&A
2026-01-23
EPSS Evaluated
2026-06-15
NVD
CVE-2025-71155
EUVD
EUVD-2026-4402
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 6.17.4 (inc) to 6.18 (exc)
linux linux_kernel From 6.18 (inc) to 6.18.4 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.
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Executive Summary

This vulnerability is in the Linux kernel's KVM subsystem for s390 architecture. It involves missing checks in the function gmap_helper_zap_one_page(), which can lead to memory corruption in the guest virtual machine under specific circumstances. The issue was fixed by adding the missing checks.

Impact Analysis

The vulnerability can cause memory corruption in the guest virtual machine, which may lead to instability, crashes, or potential security risks within the affected virtual environment.

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