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.

6769 vulnerabilities reference this CWE, most recent first.

CVE-2022-3109 (GCVE-0-2022-3109)

Vulnerability from cvelistv5 – Published: 2022-12-16 00:00 – Updated: 2025-04-16 14:45
VLAI
Summary
An issue was discovered in the FFmpeg package, where vp3_decode_frame in libavcodec/vp3.c lacks check of the return value of av_malloc() and will cause a null pointer dereference, impacting availability.
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 · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 14:44 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a FFmpeg Affected: FFmpeg 5.1
Show details on NVD website
To clipboard 

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CVE-2022-3107 (GCVE-0-2022-3107)

Vulnerability from cvelistv5 – Published: 2022-12-14 00:00 – Updated: 2025-04-22 14:19
VLAI
Summary
An issue was discovered in the Linux kernel through 5.16-rc6. netvsc_get_ethtool_stats in drivers/net/hyperv/netvsc_drv.c lacks check of the return value of kvmalloc_array() and will cause the null pointer dereference.
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 2025-04-22 14:19 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: Linux 5.16-rc6
Show details on NVD website
To clipboard 

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CVE-2022-3106 (GCVE-0-2022-3106)

Vulnerability from cvelistv5 – Published: 2022-12-14 00:00 – Updated: 2025-04-22 02:42
VLAI
Summary
An issue was discovered in the Linux kernel through 5.16-rc6. ef100_update_stats in drivers/net/ethernet/sfc/ef100_nic.c lacks check of the return value of kmalloc().
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 2025-04-22 02:39 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: Linux 5.16-rc6
Show details on NVD website
To clipboard 

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CVE-2022-3105 (GCVE-0-2022-3105)

Vulnerability from cvelistv5 – Published: 2022-12-14 00:00 – Updated: 2025-04-22 14:19
VLAI
Summary
An issue was discovered in the Linux kernel through 5.16-rc6. uapi_finalize in drivers/infiniband/core/uverbs_uapi.c lacks check of kmalloc_array().
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 2025-04-22 14:19 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: Linux 5.16-rc6
Show details on NVD website
To clipboard 

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CVE-2022-3104 (GCVE-0-2022-3104)

Vulnerability from cvelistv5 – Published: 2022-12-14 00:00 – Updated: 2025-04-22 15:59
VLAI
Summary
An issue was discovered in the Linux kernel through 5.16-rc6. lkdtm_ARRAY_BOUNDS in drivers/misc/lkdtm/bugs.c lacks check of the return value of kmalloc() and will cause the null pointer dereference.
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 2025-04-22 15:58 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: Linux 5.16-rc6
Show details on NVD website
To clipboard 

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CVE-2022-3078 (GCVE-0-2022-3078)

Vulnerability from cvelistv5 – Published: 2022-09-01 20:52 – Updated: 2024-08-03 01:00
VLAI
Summary
An issue was discovered in the Linux kernel through 5.16-rc6. There is a lack of check after calling vzalloc() and lack of free after allocation in drivers/media/test-drivers/vidtv/vidtv_s302m.c.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: Linux kernel 5.16-rc6
Show details on NVD website
To clipboard 

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CVE-2022-2980 (GCVE-0-2022-2980)

Vulnerability from cvelistv5 – Published: 2022-08-25 00:00 – Updated: 2024-08-03 00:53
VLAI
Title
NULL Pointer Dereference in vim/vim
Summary
NULL Pointer Dereference in GitHub repository vim/vim prior to 9.0.0259.
Severity
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0.0259 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-2973 (GCVE-0-2022-2973)

Vulnerability from cvelistv5 – Published: 2022-09-23 15:28 – Updated: 2025-04-16 16:09
VLAI
Title
MZ Automation libIEC61850 NULL Pointer Dereference
Summary
MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) uses a NULL pointer in certain situations. which could allow an attacker to crash the server.
Severity
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:54 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
MZ Automation libIEC61850 Affected: All , ≤ 1.4 (custom)
Affected: Version 1.5 , < Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e (custom)
Create a notification for this product.
Date Public
2022-09-08 00:00
Show details on NVD website
To clipboard 

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CVE-2022-2923 (GCVE-0-2022-2923)

Vulnerability from cvelistv5 – Published: 2022-08-22 00:00 – Updated: 2024-08-03 00:53
VLAI
Title
NULL Pointer Dereference in vim/vim
Summary
NULL Pointer Dereference in GitHub repository vim/vim prior to 9.0.0240.
Severity
6.6 (Medium)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0.0240 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-2874 (GCVE-0-2022-2874)

Vulnerability from cvelistv5 – Published: 2022-08-18 00:00 – Updated: 2024-08-03 00:52
VLAI
Title
NULL Pointer Dereference in vim/vim
Summary
NULL Pointer Dereference in GitHub repository vim/vim prior to 9.0.0224.
Severity
6.6 (Medium)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0.0224 (custom)
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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