CVE-2025-71155
High
KVM: s390: Fix gmap_helper_zap_one_page() again
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.
Exploit probability
0.1%
Published
January 23, 2026
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
886 explicit affected versions
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2025-71155
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/2af2abbcbf8573100288e8f8aea2dab8a2a0ceb7
- https://git.kernel.org/stable/c/2f393c228cc519ddf19b8c6c05bf15723241aa96
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71155.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-71155