CVE-2025-71155: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux Kernel: from 6.17.4, before 6.18 (fixed in 6.18); from 6.18, before 6.18.4 (fixed in 6.18.4)

Published 2026-01-23. Last modified 2026-07-30.