High 7.8Published Jan 23, 2026

CVE-2025-71155KVM: s390: Fix gmap_helper_zap_one_page() again

Updated under an hour ago (Oct 28, 2026, 8:50 AM ET)

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Exploited in the last 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.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Aug 5, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	5deafa27d9ae040b75d392f60b12e300b42b4792 builds before 2af2abbcbf8573100288e8f8aea2dab8a2a0ceb7; 5deafa27d9ae040b75d392f60b12e300b42b4792 builds before 2f393c228cc519ddf19b8c6c05bf15723241aa96; 919efcadb63fc3d3a82c3de7194140e0b28903dc; from 6.17.4 before 6.18	CNA record
linux linux_kernel linux:linux_kernel	from 6.17.4 before 6.18; from 6.18 before 6.18.4	NVD

References

References

https://git.kernel.org/stable/c/2af2abbcbf8573100288e8f8aea2dab8a2a0ceb7	patch
https://git.kernel.org/stable/c/2f393c228cc519ddf19b8c6c05bf15723241aa96	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.