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Vulnerability Details :

CVE-2023-4732

Summary
Assigner-redhat
Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749
Published At-03 Oct, 2023 | 16:55
Updated At-23 Jul, 2025 | 19:06
Rejected At-
Credits

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

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:redhat
Assigner Org ID:53f830b8-0a3f-465b-8143-3b8a9948e749
Published At:03 Oct, 2023 | 16:55
Updated At:23 Jul, 2025 | 19:06
Rejected At:
▼CVE Numbering Authority (CNA)
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

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.

Affected Products
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
kernel-rt
CPEs
  • cpe:/a:redhat:enterprise_linux:8::nfv
  • cpe:/a:redhat:enterprise_linux:8::realtime
Default Status
affected
Versions
Unaffected
  • From 0:4.18.0-513.5.1.rt7.307.el8_9 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
kernel
CPEs
  • cpe:/o:redhat:enterprise_linux:8::baseos
  • cpe:/a:redhat:enterprise_linux:8::crb
Default Status
affected
Versions
Unaffected
  • From 0:4.18.0-513.5.1.el8_9 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.6 Extended Update Support
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
kernel
CPEs
  • cpe:/o:redhat:rhel_eus:8.6::baseos
  • cpe:/o:redhat:rhev_hypervisor:4.4::el8
  • cpe:/a:redhat:rhel_eus:8.6::crb
Default Status
affected
Versions
Unaffected
  • From 0:4.18.0-372.87.1.el8_6 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.8 Extended Update Support
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
kernel
CPEs
  • cpe:/a:redhat:rhel_eus:8.8::crb
  • cpe:/o:redhat:rhel_eus:8.8::baseos
Default Status
affected
Versions
Unaffected
  • From 0:4.18.0-477.36.1.el8_8 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
kernel
CPEs
  • cpe:/o:redhat:rhel_eus:8.6::baseos
  • cpe:/o:redhat:rhev_hypervisor:4.4::el8
  • cpe:/a:redhat:rhel_eus:8.6::crb
Default Status
affected
Versions
Unaffected
  • From 0:4.18.0-372.87.1.el8_6 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 6
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
kernel
CPEs
  • cpe:/o:redhat:enterprise_linux:6
Default Status
unaffected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 7
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
kernel
CPEs
  • cpe:/o:redhat:enterprise_linux:7
Default Status
unaffected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 7
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
kernel-rt
CPEs
  • cpe:/o:redhat:enterprise_linux:7
Default Status
unaffected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 9
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
kernel
CPEs
  • cpe:/o:redhat:enterprise_linux:9
Default Status
unaffected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 9
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
kernel-rt
CPEs
  • cpe:/o:redhat:enterprise_linux:9
Default Status
unaffected
Problem Types
TypeCWE IDDescription
CWECWE-366Race Condition within a Thread
Type: CWE
CWE ID: CWE-366
Description: Race Condition within a Thread
Metrics
VersionBase scoreBase severityVector
3.14.7MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 4.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Red Hat severity rating
value:
Moderate
namespace:
https://access.redhat.com/security/updates/classification/
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds

A possible workaround is disabling Transparent Hugepage

Exploits
Credits
Timeline
EventDate
Reported to Red Hat.2023-09-02 00:00:00
Made public.2023-09-02 00:00:00
Event: Reported to Red Hat.
Date: 2023-09-02 00:00:00
Event: Made public.
Date: 2023-09-02 00:00:00
Replaced By
Rejected Reason
References
HyperlinkResource
https://access.redhat.com/errata/RHSA-2023:6901
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7077
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7539
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0412
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-4732
vdb-entry
x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2236982
issue-tracking
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2023:6901
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2023:7077
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2023:7539
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2024:0412
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/security/cve/CVE-2023-4732
Resource:
vdb-entry
x_refsource_REDHAT
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2236982
Resource:
issue-tracking
x_refsource_REDHAT
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://access.redhat.com/errata/RHSA-2023:6901
vendor-advisory
x_refsource_REDHAT
x_transferred
https://access.redhat.com/errata/RHSA-2023:7077
vendor-advisory
x_refsource_REDHAT
x_transferred
https://access.redhat.com/errata/RHSA-2023:7539
vendor-advisory
x_refsource_REDHAT
x_transferred
https://access.redhat.com/errata/RHSA-2024:0412
vendor-advisory
x_refsource_REDHAT
x_transferred
https://access.redhat.com/security/cve/CVE-2023-4732
vdb-entry
x_refsource_REDHAT
x_transferred
https://bugzilla.redhat.com/show_bug.cgi?id=2236982
issue-tracking
x_refsource_REDHAT
x_transferred
Hyperlink: https://access.redhat.com/errata/RHSA-2023:6901
Resource:
vendor-advisory
x_refsource_REDHAT
x_transferred
Hyperlink: https://access.redhat.com/errata/RHSA-2023:7077
Resource:
vendor-advisory
x_refsource_REDHAT
x_transferred
Hyperlink: https://access.redhat.com/errata/RHSA-2023:7539
Resource:
vendor-advisory
x_refsource_REDHAT
x_transferred
Hyperlink: https://access.redhat.com/errata/RHSA-2024:0412
Resource:
vendor-advisory
x_refsource_REDHAT
x_transferred
Hyperlink: https://access.redhat.com/security/cve/CVE-2023-4732
Resource:
vdb-entry
x_refsource_REDHAT
x_transferred
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2236982
Resource:
issue-tracking
x_refsource_REDHAT
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:secalert@redhat.com
Published At:03 Oct, 2023 | 17:15
Updated At:25 Jan, 2024 | 20:15

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.14.7MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Secondary3.14.7MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Type: Primary
Version: 3.1
Base score: 4.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 3.1
Base score: 4.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CPE Matches
Linux Kernel Organization, Inc
linux
>>linux_kernel>>Versions up to 5.13.19(inclusive)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>codeready_linux_builder>>8.0
cpe:2.3:a:redhat:codeready_linux_builder:8.0:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>codeready_linux_builder_for_arm64>>8.0_aarch64
cpe:2.3:a:redhat:codeready_linux_builder_for_arm64:8.0_aarch64:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>codeready_linux_builder_for_power_little_endian>>8.0_ppc64le
cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian:8.0_ppc64le:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux>>8.0
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux_for_arm_64>>8.0_aarch64
cpe:2.3:o:redhat:enterprise_linux_for_arm_64:8.0_aarch64:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux_for_ibm_z_systems>>8.0_s390x
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0_s390x:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux_for_power_little_endian>>8.0_ppc64le
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0_ppc64le:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux_for_real_time>>8.0
cpe:2.3:o:redhat:enterprise_linux_for_real_time:8.0:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux_for_real_time_for_nfv>>8.0
cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:8.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-362Primarynvd@nist.gov
CWE-366Secondarysecalert@redhat.com
CWE ID: CWE-362
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-366
Type: Secondary
Source: secalert@redhat.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://access.redhat.com/errata/RHSA-2023:6901secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7077secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7539secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0412secalert@redhat.com
N/A
https://access.redhat.com/security/cve/CVE-2023-4732secalert@redhat.com
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2236982secalert@redhat.com
Issue Tracking
Third Party Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2023:6901
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2023:7077
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2023:7539
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2024:0412
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://access.redhat.com/security/cve/CVE-2023-4732
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2236982
Source: secalert@redhat.com
Resource:
Issue Tracking
Third Party Advisory

Change History

0
Information is not available yet

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