CVE-2023-4732

MediumCVSS 4.7/10Last modified Nov 7, 2026

Description

A flaw was found in pfn_swap_entry_to_page in memory management subsystem in the Linux Kernel. In this flaw, an attacker with a local user privilege may cause a denial of service problem due to a BUG statement referencing pmd_t x.

Metrics

CVSS 3.1 4.7/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-366 CWE-362

Affected software

Vendor	Product	Versions
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support	—
Red Hat	Red Hat Enterprise Linux 8.8 Extended Update Support	—
Red Hat	Red Hat Virtualization 4 for Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 6	—
Red Hat	Red Hat Enterprise Linux 7	—
Red Hat	Red Hat Enterprise Linux 7	—
Red Hat	Red Hat Enterprise Linux 9	—
Red Hat	Red Hat Enterprise Linux 9	—

References

https://access.redhat.com/errata/RHSA-2023:6901Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7077Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7539Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0412
https://access.redhat.com/security/cve/CVE-2023-4732Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2236982Issue Tracking, Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6901Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7077Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7539Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0412
https://access.redhat.com/security/cve/CVE-2023-4732Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2236982Issue Tracking, Third Party Advisory

Timeline

Published: Oct 3, 2023
Last modified: Nov 7, 2026
NVD status: Modified

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