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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.

PUBLISHED Reserved 2026-01-13 | Published 2026-01-23 | Updated 2026-02-09 | Assigner Linux

Product status

Default status
unaffected

5deafa27d9ae040b75d392f60b12e300b42b4792 (git) before 2af2abbcbf8573100288e8f8aea2dab8a2a0ceb7
affected

5deafa27d9ae040b75d392f60b12e300b42b4792 (git) before 2f393c228cc519ddf19b8c6c05bf15723241aa96
affected

919efcadb63fc3d3a82c3de7194140e0b28903dc (git)
affected

Default status
affected

6.18
affected

Any version before 6.18
unaffected

6.18.4 (semver)
unaffected

6.19 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/2af2abbcbf8573100288e8f8aea2dab8a2a0ceb7

git.kernel.org/...c/2f393c228cc519ddf19b8c6c05bf15723241aa96

cve.org (CVE-2025-71155)

nvd.nist.gov (CVE-2025-71155)

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