Linux Kernel up to 6.7.2 AMD Display get_subvp_en null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Linux Kernel up to 6.7.2. Impacted is the function get_subvp_en of the component AMD Display. This manipulation causes null pointer dereference. This vulnerability appears as CVE-2023-52673. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 6.7.2 and classified as critical. Affected by this vulnerability is the function get_subvp_en of the component AMD Display. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix a debugfs null pointer error [WHY & HOW] Check whether get_subvp_en() callback exists before calling it.

The advisory is shared at git.kernel.org. This vulnerability is known as CVE-2023-52673 since 03/07/2024. Technical details are known, but no exploit is available.

Upgrading to version 6.7.3 eliminates this vulnerability. Applying the patch 43235db21fc2/efb91fea652a is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at EUVD (EUVD-2023-57297) and CERT Bund (WID-SEC-2024-1188). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Google Container-Optimized OS
  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • IBM InfoSphere Guardium
  • Oracle Linux
  • Oracle VM
  • NetApp FAS
  • EMC Avamar
  • IBM SAN Volume Controller
  • Dell NetWorker
  • IBM FlashSystem
  • IBM Security Guardium
  • RESF Rocky Linux
  • Broadcom Brocade SANnav
  • Open Source Linux Kernel
  • IBM Business Automation Workflow
  • IBM Spectrum Protect Plus
  • IBM QRadar SIEM
  • Dell Avamar
  • Juniper Junos Space
  • IBM DB2
  • IBM Storage Scale System
  • SolarWinds Security Event Manager

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.7.3
Patch: 43235db21fc2/efb91fea652a

Timelineinfo

03/07/2024 🔍
05/17/2024 +70 days 🔍
05/17/2024 +0 days 🔍
09/19/2025 +490 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-52673 (🔍)
GCVE (CVE): GCVE-0-2023-52673
GCVE (VulDB): GCVE-100-264973
EUVD: 🔍
CERT Bund: WID-SEC-2024-1188 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 05/17/2024 17:17
Updated: 09/19/2025 16:57
Changes: 05/17/2024 17:17 (58), 11/08/2024 02:16 (12), 05/21/2025 15:46 (1), 07/21/2025 00:00 (7), 09/19/2025 16:57 (9)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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