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Description

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pv: fix index value of replaced ASCE The index field of the struct page corresponding to a guest ASCE should be 0. When replacing the ASCE in s390_replace_asce(), the index of the new ASCE should also be set to 0. Having the wrong index might lead to the wrong addresses being passed around when notifying pte invalidations, and eventually to validity intercepts (VM crash) if the prefix gets unmapped and the notifier gets called with the wrong address.

PUBLISHED Reserved 2025-12-24 | Published 2025-12-24 | Updated 2025-12-24 | Assigner Linux

Product status

Default status
unaffected

9d216035d173214cd33712d67d89220ef2283ebf (git) before 8e635da0e0d3cb45e32fa79b36218fb98281bc10
affected

81ea65c9aefe100a9ace3082649bd84ae7dd9764 (git) before 49a2686adddebe1ae76b4d368383208656ef6606
affected

faa2f72cb3569256480c5540d242c84e99965160 (git) before 017f686bcb536ff23d49c143fdf9d1fd89a9a924
affected

faa2f72cb3569256480c5540d242c84e99965160 (git) before f1c7a776338f2ac5e34da40e58fe9f33ea390a5e
affected

faa2f72cb3569256480c5540d242c84e99965160 (git) before c2fceb59bbda16468bda82b002383bff59de89ab
affected

b5477f53e1d4de6191f50748a027251b14952eeb (git)
affected

63c71e83d5b6ab8adb5fcebef977052048016957 (git)
affected

Default status
affected

6.0
affected

Any version before 6.0
unaffected

5.10.190 (semver)
unaffected

5.15.124 (semver)
unaffected

6.1.43 (semver)
unaffected

6.4.8 (semver)
unaffected

6.5 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/8e635da0e0d3cb45e32fa79b36218fb98281bc10

git.kernel.org/...c/49a2686adddebe1ae76b4d368383208656ef6606

git.kernel.org/...c/017f686bcb536ff23d49c143fdf9d1fd89a9a924

git.kernel.org/...c/f1c7a776338f2ac5e34da40e58fe9f33ea390a5e

git.kernel.org/...c/c2fceb59bbda16468bda82b002383bff59de89ab

cve.org (CVE-2023-54092)

nvd.nist.gov (CVE-2023-54092)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.