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CVE-2023-4732

UNKNOWN
Published 2023-10-03T16:55:01.864Z
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CVSS Score

V3.1
4.7
/10
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.051
Higher than 5.1% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Red Hat

Red Hat Enterprise Linux 8

Affected Versions:

0:4.18.0-513.5.1.rt7.307.el8_9
Red Hat

Red Hat Enterprise Linux 8

Affected Versions:

0:4.18.0-513.5.1.el8_9
Red Hat

Red Hat Enterprise Linux 8.6 Extended Update Support

Affected Versions:

0:4.18.0-372.87.1.el8_6
Red Hat

Red Hat Enterprise Linux 8.8 Extended Update Support

Affected Versions:

0:4.18.0-477.36.1.el8_8
Red Hat

Red Hat Virtualization 4 for Red Hat Enterprise Linux 8

Affected Versions:

0:4.18.0-372.87.1.el8_6
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

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-c9mw-vpxm-p7rq

Advisory Details

A flaw was found in the Linux Kernel's memory management subsytem. A task exits and releases a 2MB page in a vma (vm_area_struct) and hits the BUG statement in pfn_swap_entry_to_page() referencing pmd_t x.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-4732
WEB https://access.redhat.com/errata/RHSA-2023:6901
WEB https://access.redhat.com/errata/RHSA-2023:7077
WEB https://access.redhat.com/errata/RHSA-2023:7539
WEB https://access.redhat.com/errata/RHSA-2024:0412
WEB https://access.redhat.com/security/cve/CVE-2023-4732
WEB https://bugzilla.redhat.com/show_bug.cgi?id=2236982

Advisory provided by GitHub Security Advisory Database. Published: October 3, 2023, Modified: November 14, 2023

References

https://access.redhat.com/errata/RHSA-2023:6901
https://access.redhat.com/errata/RHSA-2023:7077
https://access.redhat.com/errata/RHSA-2023:7539
https://access.redhat.com/errata/RHSA-2024:0412
https://access.redhat.com/security/cve/CVE-2023-4732
https://bugzilla.redhat.com/show_bug.cgi?id=2236982
Published: 2023-10-03T16:55:01.864Z
Last Modified: 2024-11-15T16:32:59.415Z
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