01 Record

CVE-2023-4732

Kernel: race between task migrating pages and another task calling exit_mmap to release those same pages getting invalid opcode bug in include/linux/swapops.h

MediumPUBLISHEDCNA: redhat

CNA base score4.7 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

View raw JSON

02 Description

Kernel: race between task migrating pages and another task calling exit_mmap to release those same pages getting invalid opcode bug in include/linux/swapops.h

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.18% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 7.9% of scored records. A rank, not a probability.
NVD base score: 4.7 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2023-10-03 16:55Z2 YR AGO

Last updated

2025-11-07 13:03Z10 MO AGO

Reserved

2023-09-02

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 4.7)

CNA CVSS vector

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

Weaknesses

CWE-366Race Condition within a ThreadBase
CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class

Data version

5.2

Document digest

9ab5ec46b65633898b7628771872b7f2bfc1f425243c3a9cd6ed239401eefd32

05 Affected products

VendorProductVersionsPlatforms

Red HatRed Hat Enterprise Linux 8Not specified—

Red HatRed Hat Enterprise Linux 8.6 Extended Update SupportNot specified—

Red HatRed Hat Enterprise Linux 8.8 Extended Update SupportNot specified—

Red HatRed Hat Virtualization 4 for Red Hat Enterprise Linux 8Not specified—

Red HatRed Hat Enterprise Linux 6Not specified—

Red HatRed Hat Enterprise Linux 7Not specified—

Red HatRed Hat Enterprise Linux 9Not specified—

06 References

access.redhat.comRHSA-2023:6901https://access.redhat.com/errata/RHSA-2023:6901vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2023:7077https://access.redhat.com/errata/RHSA-2023:7077vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2023:7539https://access.redhat.com/errata/RHSA-2023:7539vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2024:0412https://access.redhat.com/errata/RHSA-2024:0412vendor-advisoryx_refsource_REDHAT
access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-4732vdb-entryx_refsource_REDHAT
bugzilla.redhat.comRHBZ#2236982https://bugzilla.redhat.com/show_bug.cgi?id=2236982issue-trackingx_refsource_REDHAT

01 Record index

CVE-2023-4732

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2023-4732

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References