CVE-2025-71155

High

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductLinux Kernel
PublishedJan 23, 2026
First seenJan 23, 2026

How to fix

Update
  • linux linux_kernel6.18, 6.18.4 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel6.17.4 ≤ v < 6.18, 6.18 ≤ v < 6.18.46.18, 6.18.4

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