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.

6345 vulnerabilities reference this CWE, most recent first.

CVE-2023-0845 (GCVE-0-2023-0845)

Vulnerability from cvelistv5 – Published: 2023-03-09 15:14 – Updated: 2025-02-28 16:24
VLAI
Title
Consul Server Panic when Ingress and API Gateways Configured with Peering
Summary
Consul and Consul Enterprise allowed an authenticated user with service:write permissions to trigger a workflow that causes Consul server and client agents to crash under certain circumstances. This vulnerability was fixed in Consul 1.14.5.
Severity
4.9 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - Null Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
HashiCorp Consul Affected: 1.14.0
Affected: 1.14.1
Affected: 1.14.2
Affected: 1.14.3
Affected: 1.14.4
Create a notification for this product.
HashiCorp Consul Enterprise Affected: 1.14.0
Affected: 1.14.1
Affected: 1.14.2
Affected: 1.14.3
Affected: 1.14.4
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-0458 (GCVE-0-2023-0458)

Vulnerability from cvelistv5 – Published: 2023-04-26 18:03 – Updated: 2025-02-13 16:38
VLAI
Title
Spectre V1 Gadget in do_prlimit in the Linux Kernel
Summary
A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The resource argument value is controlled and is used in pointer arithmetic for the 'rlim' variable and can be used to leak the contents. We recommend upgrading past version 6.1.8 or commit 739790605705ddcf18f21782b9c99ad7d53a8c11
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Kernel Affected: 0 , ≤ 6.1.8 (custom)
Create a notification for this product.
Date Public
2023-01-21 20:00
Show details on NVD website
To clipboard 

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CVE-2023-0394 (GCVE-0-2023-0394)

Vulnerability from cvelistv5 – Published: 2023-01-24 00:00 – Updated: 2025-03-31 14:48
VLAI
Summary
A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network subcomponent in the Linux kernel. This flaw causes the system to crash.
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 (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: Linux kernel prior to Kernel 6.2 RC4
Show details on NVD website
To clipboard 

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CVE-2023-0197 (GCVE-0-2023-0197)

Vulnerability from cvelistv5 – Published: 2023-04-01 04:55 – Updated: 2025-02-11 16:38
VLAI
Summary
NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager, where a malicious user in a guest VM can cause a NULL-pointer dereference, which may lead to denial of service.
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 (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
NVIDIA vGPU software (Virtual GPU Manager - Citrix Hypervisor, VMware vSphere, Red Hat Enterprise Linux KVM), NVIDIA Cloud Gaming (Virtual GPU Manager - Red Hat Enterprise Linux KVM) Affected: All versions prior to and including 15.1, 13.6, 11.11, and all versions prior to and including February 2023 release
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-0196 (GCVE-0-2023-0196)

Vulnerability from cvelistv5 – Published: 2023-03-02 01:23 – Updated: 2025-03-07 15:49
VLAI
Summary
NVIDIA CUDA Toolkit SDK contains a bug in cuobjdump, where a local user running the tool against an ill-formed binary may cause a null- pointer dereference, which may result in 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 (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
NVIDIA NVIDIA CUDA Toolkit Affected: All versions prior to 12.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-0190 (GCVE-0-2023-0190)

Vulnerability from cvelistv5 – Published: 2023-04-22 02:19 – Updated: 2025-02-13 16:38
VLAI
Summary
NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer, where a NULL pointer dereference may lead to denial of service.
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 (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
NVIDIA NVIDIA GPU Display Driver Affected: All versions prior to and including 15.1, 13.6, 11.11, and all versions prior to and including February 2023 release
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-0122 (GCVE-0-2023-0122)

Vulnerability from cvelistv5 – Published: 2023-01-17 00:00 – Updated: 2025-04-04 18:50
VLAI
Summary
A NULL pointer dereference vulnerability in the Linux kernel NVMe functionality, in nvmet_setup_auth(), allows an attacker to perform a Pre-Auth Denial of Service (DoS) attack on a remote machine. Affected versions v6.0-rc1 to v6.0-rc3, fixed in v6.0-rc4.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: Linux kernel 6.0-rc4
Show details on NVD website
To clipboard 

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CVE-2022-48606 (GCVE-0-2022-48606)

Vulnerability from cvelistv5 – Published: 2023-09-26 01:27 – Updated: 2024-09-24 14:37
VLAI
Summary
Stability-related vulnerability in the binder background management and control module. Successful exploitation of this vulnerability may affect availability.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Huawei HarmonyOS Affected: 3.0.0
Affected: 2.1.0
Affected: 2.0.1
Affected: 2.0.0
Create a notification for this product.
Huawei EMUI Affected: 13.0.0
Affected: 12.0.1
Affected: 12.0.0
Affected: 11.0.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-48509 (GCVE-0-2022-48509)

Vulnerability from cvelistv5 – Published: 2023-07-06 12:38 – Updated: 2024-11-19 17:00
VLAI
Summary
Race condition vulnerability due to multi-thread access to mutually exclusive resources in Huawei Share. Successful exploitation of this vulnerability may cause the program to exit abnormally.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Huawei HarmonyOS Affected: 2.0.0
Affected: 2.0.1
Create a notification for this product.
Huawei EMUI Affected: 12.0.0
Affected: 12.0.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-43972 (GCVE-0-2022-43972)

Vulnerability from cvelistv5 – Published: 2023-01-09 00:00 – Updated: 2025-04-09 14:22
VLAI
Title
Null pointer dereference in Linksys WRT54GL
Summary
A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A null pointer dereference in the soap_action function within the upnp binary can be triggered by an unauthenticated attacker via a malicious POST request invoking the AddPortMapping action.
Severity
6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Linksys WRT54GL Wireless-G Broadband Router Affected: Firmware , ≤ 4.30.18.006 (custom)
Create a notification for this product.
Credits
Jessie Chick of Trellix ARC
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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