What is CVE-2023-54092?

CVE-2023-54092 is a High severity Linux kernel vulnerability with a CVSS score of 8.8 out of 10, affecting Linux kernel versions from 5.10.137 onward and patched in 5.10.190, 5.15.124, 6.1.43 and others. CVE-2023-54092 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-54092?

CVE-2023-54092 has a CVSS score of 8.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Is there a patch available for CVE-2023-54092?

Yes, CVE-2023-54092 has been patched. Fixed versions include 5.10.190, 5.15.124, 6.1.43 and others. If you are running Linux kernel 5.10.137 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-54092 actively exploited?

CVE-2023-54092 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-54092

High

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.

Package Linux Kernel

Published 2025-12-24

Last modified 2026-08-04

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

8.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected versions

Linux kernel versions 5.10.137, 5.15.61, 5.18.18, 5.19.2, 6.0 and later are affected. Fixed in 5.10.190, 5.15.124, 6.1.43, 6.4.8, 6.5 and their respective stable series.

Affected from

≥ 5.10.137 ≥ 5.15.61 ≥ 5.18.18 ≥ 5.19.2 ≥ 6.0

Fixed in

✓ 5.10.190 5.10.x ✓ 5.15.124 5.15.x ✓ 6.1.43 6.1.x ✓ 6.4.8 6.4.x ✓ 6.5

References

5 total

Details

CVE ID CVE-2023-54092

Severity High

CVSS score 8.8 / 10

CVSS version 3.1

Published 2025-12-24

Modified 2026-08-04

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-54092?

CVE-2023-54092 is a High severity Linux kernel vulnerability with a CVSS score of 8.8 out of 10 . It affects Linux kernel versions from 5.10.137 onward and has been patched in 5.10.190, 5.15.124, 6.1.43 and others. CVE-2023-54092 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-54092?

CVE-2023-54092 has a CVSS score of 8.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Is there a patch available for CVE-2023-54092?

Yes. CVE-2023-54092 has been patched. Fixed versions include 5.10.190, 5.15.124, 6.1.43 and others. If you are running Linux kernel 5.10.137 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-54092 actively exploited?

No. CVE-2023-54092 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.