Common Weakness Enumeration

CWE-476

Allowed

NULL Pointer Dereference

Abstraction: Base · Status: Stable

API response cwe.mitre.org

The product dereferences a pointer that it expects to be valid but is NULL.

6686 vulnerabilities reference this CWE, most recent first.

CVE-2025-26694 (GCVE-0-2025-26694)

Vulnerability from cvelistv5 – Published: 2025-11-11 16:50 – Updated: 2025-11-12 20:00
VLAI
Summary
Null pointer dereference for some Intel(R) QAT Windows software before version 2.6.0. within Ring 3: User Applications may allow a denial of service. System software adversary with an authenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-12 14:52 UTC
CWE
  • Denial of Service
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
n/a Intel(R) QAT Windows software Affected: before version 2.6.0.
Show details on NVD website
To clipboard 

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CVE-2025-26690 (GCVE-0-2025-26690)

Vulnerability from cvelistv5 – Published: 2025-08-11 02:55 – Updated: 2025-08-11 20:37
VLAI
Title
communication dsoftbus has a NULL pointer vulnerability
Summary
in OpenHarmony v5.0.3 and prior versions allow a local attacker case DOS through NULL pointer dereference.
Severity
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-11 20:37 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
OpenHarmony OpenHarmony Affected: v5.0.3 , ≤ v5.0.3.x (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-25218 (GCVE-0-2025-25218)

Vulnerability from cvelistv5 – Published: 2025-05-06 08:50 – Updated: 2025-05-06 15:30
VLAI
Title
third_party_mksh has a NULL pointer dereference vulnerability
Summary
in OpenHarmony v5.0.3 and prior versions allow a local attacker case DOS through NULL pointer dereference.
Severity
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-06 15:26 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
OpenHarmony OpenHarmony Affected: v4.1.0 , ≤ v5.0.3 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-25217 (GCVE-0-2025-25217)

Vulnerability from cvelistv5 – Published: 2025-06-08 11:46 – Updated: 2025-06-09 03:31
VLAI
Title
arkui_ace_enginehas a NULL pointer dereference vulnerability
Summary
in OpenHarmony v5.0.3 and prior versions allow a local attacker case DOS through NULL pointer dereference.
Severity
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-09 03:31 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
OpenHarmony OpenHarmony Affected: v5.0.1 , ≤ v5.0.3 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-24997 (GCVE-0-2025-24997)

Vulnerability from cvelistv5 – Published: 2025-03-11 16:59 – Updated: 2026-02-13 19:38
VLAI
Title
DirectX Graphics Kernel File Denial of Service Vulnerability
Summary
Null pointer dereference in Windows Kernel Memory allows an authorized attacker to deny service locally.
Severity
4.4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-11 18:23 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 21H2 Affected: 10.0.19044.0 , < 10.0.19044.5608 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.5608 (custom)
Create a notification for this product.
Microsoft Windows 11 version 22H2 Affected: 10.0.22621.0 , < 10.0.22621.5039 (custom)
Create a notification for this product.
Microsoft Windows 11 version 22H3 Affected: 10.0.22631.0 , < 10.0.22631.5039 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.5039 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.3476 (custom)
Create a notification for this product.
Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.3328 (custom)
Create a notification for this product.
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) Affected: 10.0.25398.0 , < 10.0.25398.1486 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.3476 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.3476 (custom)
Create a notification for this product.
Date Public
2025-03-11 07:00
Show details on NVD website
To clipboard 

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CVE-2025-24515 (GCVE-0-2025-24515)

Vulnerability from cvelistv5 – Published: 2025-08-12 16:59 – Updated: 2025-08-13 20:16
VLAI
Summary
NULL pointer dereference for some Intel(R) Graphics Drivers may allow an authenticated user to potentially enable denial of service via local access.
Severity
6.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-13 18:04 UTC
CWE
  • Denial of Service
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
n/a Intel(R) Graphics Drivers Affected: See references
Show details on NVD website
To clipboard 

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CVE-2025-24483 (GCVE-0-2025-24483)

Vulnerability from cvelistv5 – Published: 2025-02-06 07:05 – Updated: 2025-02-12 19:51
VLAI
Summary
NULL pointer dereference vulnerability exists in Defense Platform Home Edition Ver.3.9.51.x and earlier. If an attacker provides specially crafted data to the specific process of the Windows system where the product is running, the system may cause a Blue Screen of Death (BSOD), and as a result, cause a denial-of-service (DoS) condition.
Severity
6.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-06 14:11 UTC
CWE
  • CWE-476 - NULL pointer dereference
Assigner
References
Impacted products
Vendor Product Version
Humming Heads Inc. Defense Platform Home Edition Affected: Ver.3.9.51.x and earlier
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-24031 (GCVE-0-2025-24031)

Vulnerability from cvelistv5 – Published: 2025-02-10 15:38 – Updated: 2025-02-10 15:50
VLAI
Title
PAM-PKCS#11 vulnerable to segmentation fault on ctrl-c/ctrl-d when asked for PIN
Summary
PAM-PKCS#11 is a Linux-PAM login module that allows a X.509 certificate based user login. In versions 0.6.12 and prior, the pam_pkcs11 module segfaults when a user presses ctrl-c/ctrl-d when they are asked for a PIN. When a user enters no PIN at all, `pam_get_pwd` will never initialize the password buffer pointer and as such `cleanse` will try to dereference an uninitialized pointer. On my system this pointer happens to have the value 3 most of the time when running sudo and as such it will segfault. The most likely impact to a system affected by this issue is an availability impact due to a daemon that uses PAM crashing. As of time of publication, a patch for the issue is unavailable.
Severity
5.1 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-10 15:50 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
OpenSC pam_pkcs11 Affected: <= 0.6.12
Create a notification for this product.
Show details on NVD website
To clipboard 

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      "source": {
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      "title": "PAM-PKCS#11 vulnerable to segmentation fault on ctrl-c/ctrl-d when asked for PIN"
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CVE-2025-23346 (GCVE-0-2025-23346)

Vulnerability from cvelistv5 – Published: 2025-09-24 13:13 – Updated: 2025-09-24 14:04
VLAI
Summary
NVIDIA CUDA Toolkit contains a vulnerability in cuobjdump, where an unprivileged user can cause a NULL pointer dereference. A successful exploit of this vulnerability may lead to a limited denial of service.
Severity
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-24 14:01 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
NVIDIA NVIDIA CUDA Toolkit Affected: All versions prior to CUDA Toolkit 13.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-23332 (GCVE-0-2025-23332)

Vulnerability from cvelistv5 – Published: 2025-10-23 18:25 – Updated: 2025-10-23 19:03
VLAI
Summary
NVIDIA Display Driver for Linux contains a vulnerability in a kernel module, where an attacker might be able to trigger a null pointer deference. A successful exploit of this vulnerability might lead to denial of service.
Severity
5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-23 19:03 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
NVIDIA Virtual GPU Manager Affected: 580.82.02(All versions prior to and including vGPU 19.1)
Create a notification for this product.
NVIDIA Virtual GPU Manager Affected: 570.172.07(All versions prior to and including vGPU 18.4)
Create a notification for this product.
NVIDIA Virtual GPU Manager Affected: 535.261.04(All versions prior to and including vGPU 16.11)
Create a notification for this product.
NVIDIA GeForce Affected: All driver versions prior to 580.95.05
Create a notification for this product.
NVIDIA GeForce Affected: All driver versions prior to 570.195.03
Create a notification for this product.
NVIDIA GeForce Affected: All driver versions prior to 535.274.02
Create a notification for this product.
NVIDIA NVIDIA RTX, Quadro, NVS Affected: All driver versions prior to 580.95.05
Create a notification for this product.
NVIDIA NVIDIA RTX, Quadro, NVS Affected: All driver versions prior to 570.195.03
Create a notification for this product.
NVIDIA NVIDIA RTX, Quadro, NVS Affected: All driver versions prior to 535.274.02
Create a notification for this product.
NVIDIA Tesla Affected: All driver versions prior to 580.95.05
Create a notification for this product.
NVIDIA Tesla Affected: All driver versions prior to 570.195.03
Create a notification for this product.
NVIDIA Tesla Affected: All driver versions prior to 535.274.02
Create a notification for this product.
NVIDIA Guest driver Affected: 580.82.07(All versions prior to and including vGPU 19.1)
Create a notification for this product.
NVIDIA Guest driver Affected: 580.82.07(All versions up to and including the August 2025 release)
Create a notification for this product.
NVIDIA Guest driver Affected: 570.172.08(All versions prior to and including vGPU 18.4)
Create a notification for this product.
NVIDIA Guest driver Affected: 535.261.03(All versions prior to and including vGPU 16.11)
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation MIT-56
Implementation

For any pointers that could have been modified or provided from a function that can return NULL, check the pointer for NULL before use. When working with a multithreaded or otherwise asynchronous environment, ensure that proper locking APIs are used to lock before the check, and unlock when it has finished [REF-1484].

Mitigation
Requirements

Select a programming language that is not susceptible to these issues.

Mitigation
Implementation

Check the results of all functions that return a value and verify that the value is non-null before acting upon it.

Mitigation
Architecture and Design

Identify all variables and data stores that receive information from external sources, and apply input validation to make sure that they are only initialized to expected values.

Mitigation
Implementation

Explicitly initialize all variables and other data stores, either during declaration or just before the first usage.

No CAPEC attack patterns related to this CWE.

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