Common Weakness Enumeration
CWE-476
AllowedNULL Pointer Dereference
Abstraction: Base · Status: Stable
The product dereferences a pointer that it expects to be valid but is NULL.
6581 vulnerabilities reference this CWE, most recent first.
CVE-2023-1186 (GCVE-0-2023-1186)
Vulnerability from cvelistv5 – Published: 2023-03-06 07:09 – Updated: 2024-11-25 15:22
VLAI
EPSS
VEX
Title
FabulaTech Webcam for Remote Desktop IOCTL ftwebcam.sys 0x222018 null pointer dereference
Summary
A vulnerability has been found in FabulaTech Webcam for Remote Desktop 2.8.42 and classified as problematic. This vulnerability affects the function 0x222010/0x222018 in the library ftwebcam.sys of the component IOCTL Handler. The manipulation leads to null pointer dereference. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. VDB-222358 is the identifier assigned to this vulnerability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-03-01 18:28 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.222358 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.222358 | signaturepermissions-required |
| https://github.com/zeze-zeze/WindowsKernelVuln/tr… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| FabulaTech | Webcam for Remote Desktop |
Affected:
2.8.42
|
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CVE-2023-1095 (GCVE-0-2023-1095)
Vulnerability from cvelistv5 – Published: 2023-02-28 00:00 – Updated: 2025-03-18 15:14
VLAI
EPSS
VEX
Summary
In nf_tables_updtable, if nf_tables_table_enable returns an error, nft_trans_destroy is called to free the transaction object. nft_trans_destroy() calls list_del(), but the transaction was never placed on a list -- the list head is all zeroes, this results in a NULL pointer dereference.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-10 17:30 UTC
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Linux kernel netfilter subsystem. |
Affected:
Fixed in 6.0-rc1
|
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CVE-2023-0973 (GCVE-0-2023-0973)
Vulnerability from cvelistv5 – Published: 2023-03-13 17:06 – Updated: 2025-01-16 21:55
VLAI
EPSS
VEX
Title
Step Tools Third-Party
Summary
STEPTools v18SP1 ifcmesh library (v18.1) is affected due to a null pointer dereference, which could allow an attacker to deny application usage when reading a specially constructed file, resulting in an application crash.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-16 20:21 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Step Tools | v18SP1 ifcmesh library |
Affected:
v18.1
|
Date Public
2023-03-09 18:00
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CVE-2023-0845 (GCVE-0-2023-0845)
Vulnerability from cvelistv5 – Published: 2023-03-09 15:14 – Updated: 2025-02-28 16:24
VLAI
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-28 16:24 UTC
CWE
- CWE-476 - Null Pointer Dereference
Assigner
References
Impacted products
2 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 |
|
| HashiCorp | Consul Enterprise |
Affected:
1.14.0
Affected: 1.14.1 Affected: 1.14.2 Affected: 1.14.3 Affected: 1.14.4 |
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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
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-30 21:32 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux Kernel |
Affected:
0 , ≤ 6.1.8
(custom)
|
Date Public
2023-01-21 20:00
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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
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-31 14:47 UTC
CWE
Assigner
References
4 references
Impacted products
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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
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-11 16:37 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| 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
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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
EPSS
VEX
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
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-07 15:49 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NVIDIA | NVIDIA CUDA Toolkit |
Affected:
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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
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-04 19:18 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
2 references
Impacted products
1 product
| 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
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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
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-04 18:50 UTC
CWE
Assigner
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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.