High severity7.8NVD Advisory· Published Jan 23, 2026· Updated Jul 30, 2026

CVE-2025-71155

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.

LLM-synthesized narrative grounded in this CVE's description and references.

Linux/Kernel3 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.17.4,<6.18
- (no CPE)
- (no CPE)range: 6.18
osv-coords
pkg:linux/kernel
Range: >= 6.18.0, < 6.18.4

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