PT-2025-53169 · Linux+3 · Linux Kernel+3

Published 2023-07-18 · Updated 2026-03-24 · CVE-2023-54092

Positive Technologies (AI Summary)

CVSS v2.0

6.0

Medium

Base vector

AV:L/AC:H/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The Linux kernel contains a flaw within the KVM component related to the s390 virtualization platform. Specifically, an incorrect index value can be assigned to a replaced ASCE (Address Space Control Element). This incorrect index may lead to inaccurate addresses being used during page table invalidation notifications, potentially resulting in a virtual machine crash if a prefix is unmapped and the notifier is called with the wrong address.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Resource Release

Weakness Enumeration

CWE-1285

CWE-404

Related Identifiers

BDU:2026-02505

CVE-2023-54092

RHSA-2023:6583

SUSE-SU-2026:0263-1

SUSE-SU-2026:0278-1

SUSE-SU-2026:0281-1

SUSE-SU-2026:0293-1

SUSE-SU-2026:0315-1

SUSE-SU-2026:0317-1

SUSE-SU-2026:0411-1

SUSE-SU-2026:0617-1

SUSE-SU-2026:20477-1

SUSE-SU-2026:20498-1

SUSE-SU-2026:20845-1

SUSE-SU-2026:20876-1

Affected Products

Kvm

Linux Kernel

Red Hat

S390

References · 2186

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54092.json · Exploit
• https://bdu.fstec.ru/vul/2026-02505 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:20845-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0281-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20498-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0617-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0278-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-54092 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-54092 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0263-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20477-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0293-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-54092 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:0315-1 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-54092 · Vendor Advisory