CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
CVE-2022-1620 (GCVE-0-2022-1620)
Vulnerability from cvelistv5 – Published: 2022-05-08 00:00 – Updated: 2024-08-03 00:10
VLAI
Title
NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 in vim/vim
Summary
NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 in GitHub repository vim/vim prior to 8.2.4901. NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 allows attackers to cause a denial of service (application crash) via a crafted input.
Severity
6.6 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/7a4c59f3-fcc0-4496-995… | |
| https://github.com/vim/vim/commit/8e4b76da1d7e987… | |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://security.gentoo.org/glsa/202208-32 | vendor-advisory |
| https://support.apple.com/kb/HT213488 | |
| http://seclists.org/fulldisclosure/2022/Oct/41 | mailing-list |
| http://seclists.org/fulldisclosure/2022/Oct/28 | mailing-list |
| https://security.gentoo.org/glsa/202305-16 | vendor-advisory |
Impacted products
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CVE-2022-1649 (GCVE-0-2022-1649)
Vulnerability from cvelistv5 – Published: 2022-05-10 09:55 – Updated: 2024-08-03 00:10
VLAI
Title
Null pointer dereference in libr/bin/format/mach0/mach0.c in radareorg/radare2 in radareorg/radare2
Summary
Null pointer dereference in libr/bin/format/mach0/mach0.c in radareorg/radare2 in GitHub repository radareorg/radare2 prior to 5.7.0. It is likely to be exploitable. For more general description of heap buffer overflow, see [CWE](https://cwe.mitre.org/data/definitions/476.html).
Severity
7.6 (High)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/c07e4918-cf86-4d2e-896… | x_refsource_CONFIRM |
| https://github.com/radareorg/radare2/commit/a5aaf… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| radareorg | radareorg/radare2 |
Affected:
unspecified , < 5.7.0
(custom)
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CVE-2022-1671 (GCVE-0-2022-1671)
Vulnerability from cvelistv5 – Published: 2022-07-26 16:36 – Updated: 2024-08-03 00:10
VLAI
Summary
A NULL pointer dereference flaw was found in rxrpc_preparse_s in net/rxrpc/server_key.c in the Linux kernel. This flaw allows a local attacker to crash the system or leak internal kernel information.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2022090… | x_refsource_CONFIRM |
| https://security.netapp.com/advisory/ntap-2022090… | x_refsource_CONFIRM |
Impacted products
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CVE-2022-1674 (GCVE-0-2022-1674)
Vulnerability from cvelistv5 – Published: 2022-05-12 00:00 – Updated: 2024-08-03 00:10
VLAI
Title
NULL Pointer Dereference in function vim_regexec_string at regexp.c:2733 in vim/vim
Summary
NULL Pointer Dereference in function vim_regexec_string at regexp.c:2733 in GitHub repository vim/vim prior to 8.2.4938. NULL Pointer Dereference in function vim_regexec_string at regexp.c:2733 allows attackers to cause a denial of service (application crash) via a crafted input.
Severity
6.6 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/a74ba4a4-7a39-4a22-bde… | |
| https://github.com/vim/vim/commit/a59f2dfd0cf9ee1… | |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://security.gentoo.org/glsa/202208-32 | vendor-advisory |
| https://support.apple.com/kb/HT213488 | |
| http://seclists.org/fulldisclosure/2022/Oct/41 | mailing-list |
| http://seclists.org/fulldisclosure/2022/Oct/28 | mailing-list |
| https://security.gentoo.org/glsa/202305-16 | vendor-advisory |
Impacted products
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CVE-2022-1725 (GCVE-0-2022-1725)
Vulnerability from cvelistv5 – Published: 2022-05-16 00:00 – Updated: 2024-08-03 00:16
VLAI
Title
NULL Pointer Dereference in vim/vim
Summary
NULL Pointer Dereference in GitHub repository vim/vim prior to 8.2.4959.
Severity
6.6 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
6 references
Impacted products
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CVE-2022-1748 (GCVE-0-2022-1748)
Vulnerability from cvelistv5 – Published: 2022-08-17 20:08 – Updated: 2025-04-16 16:13
VLAI
Title
Softing Secure Integration Server NULL Pointer Dereference
Summary
Softing OPC UA C++ Server SDK, Secure Integration Server, edgeConnector, edgeAggregator, OPC Suite, and uaGate are affected by a NULL pointer dereference vulnerability.
Severity
7.5 (High)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
| https://industrial.softing.com/fileadmin/psirt/do… | x_refsource_CONFIRM |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Softing | Secure Integration Server |
Affected:
V1.22
|
|
| Softing | OPC UA C++ SDK |
Affected:
V6.00
|
|
| Softing | edgeConnector Siemens |
Affected:
V3.10
|
|
| Softing | edgeConnector 840D |
Affected:
V3.10
|
|
| Softing | edgeConnector Modbus |
Affected:
V3.10
|
|
| Softing | edgeAggregator |
Affected:
V3.10
|
Credits
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CVE-2022-1789 (GCVE-0-2022-1789)
Vulnerability from cvelistv5 – Published: 2022-05-31 18:48 – Updated: 2024-08-03 00:16
VLAI
Summary
With shadow paging enabled, the INVPCID instruction results in a call to kvm_mmu_invpcid_gva. If INVPCID is executed with CR0.PG=0, the invlpg callback is not set and the result is a NULL pointer dereference.
Severity
No CVSS data available.
CWE
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://francozappa.github.io/about-bias/ | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=1832397 | x_refsource_MISC |
| https://kb.cert.org/vuls/id/647177/ | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.debian.org/security/2022/dsa-5161 | vendor-advisoryx_refsource_DEBIAN |
Impacted products
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CVE-2022-1852 (GCVE-0-2022-1852)
Vulnerability from cvelistv5 – Published: 2022-06-30 12:42 – Updated: 2024-08-03 00:17
VLAI
Summary
A NULL pointer dereference flaw was found in the Linux kernel’s KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal instruction in guest in the Intel CPU.
Severity
No CVSS data available.
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/torvalds/linux/commit/fee060cd… | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=2089815 | x_refsource_MISC |
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CVE-2022-20746 (GCVE-0-2022-20746)
Vulnerability from cvelistv5 – Published: 2022-05-03 03:15 – Updated: 2024-11-06 16:21
VLAI
Title
Cisco Firepower Threat Defense Software TCP Proxy Denial of Service Vulnerability
Summary
A vulnerability in the TCP proxy functionality of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to improper handling of TCP flows. An attacker could exploit this vulnerability by sending a crafted stream of TCP traffic through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Severity
8.6 (High)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Firepower Threat Defense Software |
Affected:
n/a
|
Date Public
2022-04-27 00:00
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CVE-2022-2085 (GCVE-0-2022-2085)
Vulnerability from cvelistv5 – Published: 2022-06-16 00:00 – Updated: 2025-02-13 16:28
VLAI
Summary
A NULL pointer dereference vulnerability was found in Ghostscript, which occurs when it tries to render a large number of bits in memory. When allocating a buffer device, it relies on an init_device_procs defined for the device that uses it as a prototype that depends upon the number of bits per pixel. For bpp > 64, mem_x_device is used and does not have an init_device_procs defined. This flaw allows an attacker to parse a large number of bits (more than 64 bits per pixel), which triggers a NULL pointer dereference flaw, causing an application to crash.
Severity
No CVSS data available.
CWE
- CWE-476 - - NULL Pointer Dereference
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | GhostScript |
Affected:
Affects in Ghostscript v9.55.0
|
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2095261"
},
{
"tags": [
"x_transferred"
],
"url": "http://git.ghostscript.com/?p=ghostpdl.git%3Bh=ae1061d948d88667bdf51d47d918c4684d0f67df"
},
{
"name": "FEDORA-2022-d287230630",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ERSZX5LKDWAHZWJYBMP2E2UHOPUCDEGV/"
},
{
"name": "GLSA-202211-11",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202211-11"
},
{
"tags": [
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202309-03"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "GhostScript",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Affects in Ghostscript v9.55.0"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A NULL pointer dereference vulnerability was found in Ghostscript, which occurs when it tries to render a large number of bits in memory. When allocating a buffer device, it relies on an init_device_procs defined for the device that uses it as a prototype that depends upon the number of bits per pixel. For bpp \u003e 64, mem_x_device is used and does not have an init_device_procs defined. This flaw allows an attacker to parse a large number of bits (more than 64 bits per pixel), which triggers a NULL pointer dereference flaw, causing an application to crash."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-476",
"description": "CWE-476 - NULL Pointer Dereference",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-09-17T06:06:35.395Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"url": "https://bugs.ghostscript.com/show_bug.cgi?id=704945"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2095261"
},
{
"url": "http://git.ghostscript.com/?p=ghostpdl.git%3Bh=ae1061d948d88667bdf51d47d918c4684d0f67df"
},
{
"name": "FEDORA-2022-d287230630",
"tags": [
"vendor-advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ERSZX5LKDWAHZWJYBMP2E2UHOPUCDEGV/"
},
{
"name": "GLSA-202211-11",
"tags": [
"vendor-advisory"
],
"url": "https://security.gentoo.org/glsa/202211-11"
},
{
"url": "https://security.gentoo.org/glsa/202309-03"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2022-2085",
"datePublished": "2022-06-16T00:00:00.000Z",
"dateReserved": "2022-06-15T00:00:00.000Z",
"dateUpdated": "2025-02-13T16:28:52.337Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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.