CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
CVE-2022-41889 (GCVE-0-2022-41889)
Vulnerability from cvelistv5 – Published: 2022-11-18 00:00 – Updated: 2025-04-22 16:05
VLAI
Title
Segfault via invalid attributes in `pywrap_tfe_src.cc` in Tensorflow
Summary
TensorFlow is an open source platform for machine learning. If a list of quantized tensors is assigned to an attribute, the pywrap code fails to parse the tensor and returns a `nullptr`, which is not caught. An example can be seen in `tf.compat.v1.extract_volume_patches` by passing in quantized tensors as input `ksizes`. We have patched the issue in GitHub commit e9e95553e5411834d215e6770c81a83a3d0866ce. The fix will be included in TensorFlow 2.11. We will also cherrypick this commit on TensorFlow 2.10.1, 2.9.3, and TensorFlow 2.8.4, as these are also affected and still in supported range.
Severity
5.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/tensorflow/tensorflow/security… | x_refsource_CONFIRM |
| https://github.com/tensorflow/tensorflow/commit/e… | x_refsource_MISC |
| https://github.com/tensorflow/tensorflow/blob/mas… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| tensorflow | tensorflow |
Affected:
>= 2.10.0, < 2.10.1
Affected: >= 2.9.0, < 2.9.3 Affected: < 2.8.4 |
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CVE-2022-41972 (GCVE-0-2022-41972)
Vulnerability from cvelistv5 – Published: 2022-12-16 17:37 – Updated: 2025-04-17 15:33
VLAI
Title
Contiki-NG contains NULL Pointer Dereference in BLE L2CAP module
Summary
Contiki-NG is an open-source, cross-platform operating system for Next-Generation IoT devices. Versions prior to 4.9 contain a NULL Pointer Dereference in BLE L2CAP module. The Contiki-NG operating system for IoT devices contains a Bluetooth Low Energy stack. An attacker can inject a packet in this stack, which causes the implementation to dereference a NULL pointer and triggers undefined behavior. More specifically, while processing the L2CAP protocol, the implementation maps an incoming channel ID to its metadata structure. In this structure, state information regarding credits is managed through calls to the function input_l2cap_credit in the module os/net/mac/ble/ble-l2cap.c. Unfortunately, the input_l2cap_credit function does not check that the metadata corresponding to the user-supplied channel ID actually exists, which can lead to the channel variable being set to NULL before a pointer dereferencing operation is performed. The vulnerability has been patched in the "develop" branch of Contiki-NG, and will be included in release 4.9. Users can apply the patch in Contiki-NG pull request #2253 as a workaround until the new package is released.
Severity
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/contiki-ng/contiki-ng/security… | x_refsource_CONFIRM |
| https://github.com/contiki-ng/contiki-ng/pull/2253 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| contiki-ng | contiki-ng |
Affected:
<= 4.8
|
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CVE-2022-41999 (GCVE-0-2022-41999)
Vulnerability from cvelistv5 – Published: 2022-12-23 23:03 – Updated: 2025-04-14 19:11
VLAI
Summary
A denial of service vulnerability exists in the DDS native tile reading functionality of OpenImageIO Project OpenImageIO v2.3.19.0 and v2.4.4.2. A specially-crafted .dds can lead to denial of service. An attacker can provide a malicious file to trigger this vulnerability.
Severity
7.5 (High)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenImageIO Project | OpenImageIO |
Affected:
v2.3.19.0
Affected: v2.4.4.2 |
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CVE-2022-4285 (GCVE-0-2022-4285)
Vulnerability from cvelistv5 – Published: 2023-01-27 00:00 – Updated: 2025-03-28 15:41
VLAI
Summary
An illegal memory access flaw was found in the binutils package. Parsing an ELF file containing corrupt symbol version information may result in a denial of service. This issue is the result of an incomplete fix for CVE-2020-16599.
Severity
5.5 (Medium)
CWE
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CVE-2022-43495 (GCVE-0-2022-43495)
Vulnerability from cvelistv5 – Published: 2022-11-03 19:15 – Updated: 2025-04-30 14:38
VLAI
Title
An abnormal packet recieved when distributedhardware_device_manager joining a network could cause a device reboot.
Summary
OpenHarmony-v3.1.2 and prior versions had a DOS vulnerability in distributedhardware_device_manager when joining a network. Network attakcers can send an abonormal packet when joining a network, cause a nullptr reference and device reboot.
Severity
6.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://gitee.com/openharmony/security/blob/maste… | patchvendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenHarmony | OpenHarmony |
Affected:
3.1.0
|
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CVE-2022-43588 (GCVE-0-2022-43588)
Vulnerability from cvelistv5 – Published: 2022-11-28 10:20 – Updated: 2025-04-15 18:39
VLAI
Summary
A null pointer dereference vulnerability exists in the handle_ioctl_83150 functionality of Callback technologies CBFS Filter 20.0.8317. A specially crafted I/O request packet (IRP) can lead to denial of service. An attacker can issue an ioctl to trigger this vulnerability.
Severity
6.2 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Callback technologies | CBFS Filter |
Affected:
20.0.8317
|
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CVE-2022-43589 (GCVE-0-2022-43589)
Vulnerability from cvelistv5 – Published: 2022-11-28 10:20 – Updated: 2025-04-15 18:39
VLAI
Summary
A null pointer dereference vulnerability exists in the handle_ioctl_8314C functionality of Callback technologies CBFS Filter 20.0.8317. A specially crafted I/O request packet (IRP) can lead to denial of service. An attacker can issue an ioctl to trigger this vulnerability.
Severity
6.2 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Callback technologies | CBFS Filter |
Affected:
20.0.8317
|
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CVE-2022-43590 (GCVE-0-2022-43590)
Vulnerability from cvelistv5 – Published: 2022-11-28 10:20 – Updated: 2025-04-15 18:39
VLAI
Summary
A null pointer dereference vulnerability exists in the handle_ioctl_0x830a0_systembuffer functionality of Callback technologies CBFS Filter 20.0.8317. A specially crafted I/O request packet (IRP) can lead to denial of service. An attacker can issue an ioctl to trigger this vulnerability.
Severity
6.2 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Callback technologies | CBFS Filter |
Affected:
20.0.8317
|
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CVE-2022-43593 (GCVE-0-2022-43593)
Vulnerability from cvelistv5 – Published: 2022-12-23 23:03 – Updated: 2025-04-14 18:34
VLAI
Summary
A denial of service vulnerability exists in the DPXOutput::close() functionality of OpenImageIO Project OpenImageIO v2.4.4.2. A specially crafted ImageOutput Object can lead to null pointer dereference. An attacker can provide malicious input to trigger this vulnerability.
Severity
5.9 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenImageIO Project | OpenImageIO |
Affected:
v2.4.4.2
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CVE-2022-43594 (GCVE-0-2022-43594)
Vulnerability from cvelistv5 – Published: 2022-12-23 23:03 – Updated: 2025-02-13 16:33
VLAI
Summary
Multiple denial of service vulnerabilities exist in the image output closing functionality of OpenImageIO Project OpenImageIO v2.4.4.2. Specially crafted ImageOutput Objects can lead to multiple null pointer dereferences. An attacker can provide malicious multiple inputs to trigger these vulnerabilities.This vulnerability applies to writing .bmp files.
Severity
5.9 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenImageIO Project | OpenImageIO |
Affected:
v2.4.4.2
|
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T13:32:59.822Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
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"references": [
{
"name": "https://talosintelligence.com/vulnerability_reports/TALOS-2022-1653",
"tags": [
"x_transferred"
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"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2022-1653"
},
{
"tags": [
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"url": "https://www.debian.org/security/2023/dsa-5384"
},
{
"tags": [
"x_transferred"
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"url": "https://security.gentoo.org/glsa/202305-33"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "OpenImageIO",
"vendor": "OpenImageIO Project",
"versions": [
{
"status": "affected",
"version": "v2.4.4.2"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Multiple denial of service vulnerabilities exist in the image output closing functionality of OpenImageIO Project OpenImageIO v2.4.4.2. Specially crafted ImageOutput Objects can lead to multiple null pointer dereferences. An attacker can provide malicious multiple inputs to trigger these vulnerabilities.This vulnerability applies to writing .bmp files."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-476",
"description": "CWE-476: NULL Pointer Dereference",
"lang": "en",
"type": "CWE"
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"providerMetadata": {
"dateUpdated": "2023-05-30T05:08:04.214Z",
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{
"url": "https://www.debian.org/security/2023/dsa-5384"
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{
"url": "https://security.gentoo.org/glsa/202305-33"
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"cveMetadata": {
"assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
"assignerShortName": "talos",
"cveId": "CVE-2022-43594",
"datePublished": "2022-12-23T23:03:51.372Z",
"dateReserved": "2022-10-21T00:00:00.000Z",
"dateUpdated": "2025-02-13T16:33:30.505Z",
"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
"dataVersion": "5.1"
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Mitigation ID: MIT-56
Phase: Implementation
Description:
- 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
Phase: Requirements
Description:
- Select a programming language that is not susceptible to these issues.
Mitigation
Phase: Implementation
Description:
- Check the results of all functions that return a value and verify that the value is non-null before acting upon it.
Mitigation
Phase: Architecture and Design
Description:
- 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
Phase: Implementation
Description:
- 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.