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CVE-2023-4732

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CVE-2023-4732

Published: Oct 3, 2023

Modified: Nov 7, 2025

PUBLISHED

CVSS v3.1

4.7

MEDIUM

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.

VendorProductVersions

Red Hat

Red Hat Enterprise Linux 8

unaffected
0:4.18.0-513.5.1.rt7.307.el8_9 - < *

Red Hat

Red Hat Enterprise Linux 8

unaffected
0:4.18.0-513.5.1.el8_9 - < *

Red Hat

Red Hat Enterprise Linux 8.6 Extended Update Support

unaffected
0:4.18.0-372.87.1.el8_6 - < *

Red Hat

Red Hat Enterprise Linux 8.8 Extended Update Support

unaffected
0:4.18.0-477.36.1.el8_8 - < *

Red Hat

Red Hat Virtualization 4 for Red Hat Enterprise Linux 8

unaffected
0:4.18.0-372.87.1.el8_6 - < *

Red Hat

Red Hat Enterprise Linux 6

All versions

Red Hat

Red Hat Enterprise Linux 7

All versions

Red Hat

Red Hat Enterprise Linux 7

All versions

Red Hat

Red Hat Enterprise Linux 9

All versions

Red Hat

Red Hat Enterprise Linux 9

All versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

RHSA-2023:6901
vendor-advisory
x_refsource_REDHAT
RHSA-2023:7077
vendor-advisory
x_refsource_REDHAT
RHSA-2023:7539
vendor-advisory
x_refsource_REDHAT
RHSA-2024:0412
vendor-advisory
x_refsource_REDHAT
RHBZ#2236982
issue-tracking
x_refsource_REDHAT

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