CVE-2023-54092 - CVE House
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Status published Unknown CVE-2023-54092

KVM: s390: pv: fix index value of replaced ASCE

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
9d216035d173214cd33712d67d89220ef2283ebf, 81ea65c9aefe100a9ace3082649bd84ae7dd9764, faa2f72cb3569256480c5540d242c84e99965160, b5477f53e1d4de6191f50748a027251b14952eeb, 63c71e83d5b6ab8adb5fcebef977052048016957, 5.10.137, 5.15.61, 5.18.18, 5.19.2, 6.0, 0, 5.10.190, 5.15.124, 6.1.43, 6.4.8, 6.5

Timeline

Official Publish: December 24th, 2025
Last Modified: May 23rd, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.