Common Weakness Enumeration
CWE-667
Allowed-with-ReviewImproper Locking
Abstraction: Class · Status: Draft
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.
693 vulnerabilities reference this CWE, most recent first.
CVE-2025-20044 (GCVE-0-2025-20044)
Vulnerability from cvelistv5 – Published: 2025-08-12 17:29 – Updated: 2026-02-26 17:49
VLAI
EPSS
VEX
Summary
Improper locking for some Intel(R) TDX Module firmware before version 1.5.13 may allow a privileged user to potentially enable escalation of privilege via local access.
Severity
4.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- Escalation of Privilege
- CWE-667 - Improper Locking
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Intel(R) TDX Module firmware |
Affected:
before version 1.5.13
|
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CVE-2025-14345 (GCVE-0-2025-14345)
Vulnerability from cvelistv5 – Published: 2025-12-09 15:00 – Updated: 2025-12-09 15:12
VLAI
EPSS
VEX
Title
Cross-Shard Failovers May Lead to Partial Transaction Commit in MongoDB Server
Summary
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This issue impacts MongoDB Server v8.0 versions prior to 8.0.16, MongoDB Server v7.0 versions prior to 7.0.26 and MongoDB server v8.2 versions prior to 8.2.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-667 - Improper Locking
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MongoDB Inc. | MongoDB Server |
Affected:
7.0 , < 7.0.26
(custom)
Affected: 8.0 , < 8.0.16 (custom) Affected: 8.2 , < 8.2.2 (custom) |
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CVE-2025-10151 (GCVE-0-2025-10151)
Vulnerability from cvelistv5 – Published: 2025-10-28 07:25 – Updated: 2025-10-28 13:27
VLAI
EPSS
VEX
Title
Malicious TCP/IP thread locking leads into diverse malfunctions
Summary
Improper locking vulnerability in Softing Industrial Automation GmbH gateways allows infected memory and/or resource leak exposure.This issue affects
smartLink HW-PN: from 1.02 through 1.03
smartLink HW-DP: 1.31
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-667 - Improper Locking
Assigner
References
2 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Softing Industrial Automation GmbH | smartLink HW-PN |
Affected:
1.02 , ≤ 1.03
(custom)
|
|
| Softing Industrial Automation GmbH | smartLink HW-DP |
Affected:
0 , ≤ 1.31
(custom)
|
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CVE-2025-1221 (GCVE-0-2025-1221)
Vulnerability from cvelistv5 – Published: 2025-07-30 08:09 – Updated: 2025-07-30 13:40
VLAI
EPSS
VEX
Title
DoS in Zigbee device due to heavy traffic
Summary
A Zigbee Radio Co-Processor (RCP), which is using SiLabs EmberZNet Zigbee stack, was unable to send messages to the host system (CPCd) due to heavy Zigbee traffic, resulting in a Denial of Service (DoS) attack, Only hard reset will bring the device to normal operation
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-667 - Improper Locking
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.silabs.com/documents/public/release-n… | release-notes |
| https://www.silabs.com/documents/public/release-n… | release-notes |
| https://www.silabs.com/documents/public/release-n… | release-notes |
| https://community.silabs.com/068Vm00000Sadyn | vendor-advisorypermissions-required |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| silabs.com | Zigbee |
Affected:
0 , ≤ 4.3.3
(semver)
Affected: 4.4.3 (semver) |
|
| silabs.com | Zigbee |
Affected:
0 , ≤ 2024.6.1
(semver)
|
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CVE-2024-32648 (GCVE-0-2024-32648)
Vulnerability from cvelistv5 – Published: 2024-04-25 17:48 – Updated: 2024-08-02 02:13
VLAI
EPSS
VEX
Title
vyper default functions don't respect nonreentrancy keys
Summary
Vyper is a pythonic Smart Contract Language for the Ethereum virtual machine. Prior to version 0.3.0, default functions don't respect nonreentrancy keys and the lock isn't emitted. No vulnerable production contracts were found. Additionally, using a lock on a `default` function is a very sparsely used pattern. As such, the impact is low. Version 0.3.0 contains a patch for the issue.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-667 - Improper Locking
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/vyperlang/vyper/security/advis… | x_refsource_CONFIRM |
| https://github.com/vyperlang/vyper/issues/2455 | x_refsource_MISC |
| https://github.com/vyperlang/vyper/commit/93287e5… | x_refsource_MISC |
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CVE-2023-44119 (GCVE-0-2023-44119)
Vulnerability from cvelistv5 – Published: 2023-10-11 12:04 – Updated: 2024-09-19 13:11
VLAI
EPSS
VEX
Summary
Vulnerability of mutual exclusion management in the kernel module.Successful exploitation of this vulnerability will affect availability.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-667 - Improper Locking
Assigner
References
Impacted products
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CVE-2023-22412 (GCVE-0-2023-22412)
Vulnerability from cvelistv5 – Published: 2023-01-12 00:00 – Updated: 2025-04-07 15:32
VLAI
EPSS
VEX
Title
Junos OS: MX Series and SRX Series: The flow processing daemon (flowd) will crash if the SIP ALG is enabled and specific SIP messages are processed
Summary
An Improper Locking vulnerability in the SIP ALG of Juniper Networks Junos OS on MX Series with MS-MPC or MS-MIC card and SRX Series allows an unauthenticated, network-based attacker to cause a flow processing daemon (flowd) crash and thereby a Denial of Service (DoS). Continued receipt of these specific packets will cause a sustained Denial of Service condition. This issue occurs when SIP ALG is enabled and specific SIP messages are processed simultaneously. This issue affects: Juniper Networks Junos OS on MX Series and SRX Series 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3-S3; 21.2 versions prior to 21.2R3-S2; 21.3 versions prior to 21.3R3; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R2. This issue does not affect Juniper Networks Junos OS versions prior to 20.4R1 on MX Series, or SRX Series.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-667 - Improper Locking
- Denial of Service (DoS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA70208 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Unaffected:
unspecified , < 20.4R1
(custom)
Affected: 20.4 , < 20.4R3-S4 (custom) Affected: 21.1 , < 21.1R3-S3 (custom) Affected: 21.2 , < 21.2R3-S2 (custom) Affected: 21.3 , < 21.3R3 (custom) Affected: 21.4 , < 21.4R3 (custom) Affected: 22.1 , < 22.1R2 (custom) |
Date Public
2023-01-11 00:00
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CVE-2023-3889 (GCVE-0-2023-3889)
Vulnerability from cvelistv5 – Published: 2023-11-07 15:28 – Updated: 2025-12-16 18:13
VLAI
EPSS
VEX
Title
Mali GPU Kernel Driver exposes sensitive data from freed memory
Summary
A local non-privileged user can make improper GPU memory processing operations. If the operations are carefully prepared, then they could be used to gain access to already freed memory.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Arm Ltd | Valhall GPU Kernel Driver |
Affected:
r38p0 , ≤ r44p0
(patch)
|
Date Public
2023-11-07 11:00
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CVE-2023-3750 (GCVE-0-2023-3750)
Vulnerability from cvelistv5 – Published: 2023-07-24 15:19 – Updated: 2025-11-08 06:30
VLAI
EPSS
VEX
Title
Libvirt: improper locking in virstoragepoolobjlistsearch may lead to denial of service
Summary
A flaw was found in libvirt. The virStoragePoolObjListSearch function does not return a locked pool as expected, resulting in a race condition and denial of service when attempting to lock the same object from another thread. This issue could allow clients connecting to the read-only socket to crash the libvirt daemon.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-667 - Improper Locking
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2023:6409 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-3750 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2222210 | issue-trackingx_refsource_REDHAT |
| https://lists.fedoraproject.org/archives/list/pac… | x_transferred |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:9.5.0-7.el9_3 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 8 Advanced Virtualization |
cpe:/a:redhat:advanced_virtualization:8::el8 |
Date Public
2023-07-18 00:00
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CVE-2023-2612 (GCVE-0-2023-2612)
Vulnerability from cvelistv5 – Published: 2023-05-30 23:12 – Updated: 2025-02-13 16:44
VLAI
EPSS
VEX
Title
shiftfs lock unbalance in Ubuntu-specific kernels
Summary
Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations. A local attacker could use this to cause a denial of service (kernel deadlock).
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | patch |
| https://ubuntu.com/security/CVE-2023-2612 | vendor-advisory |
| https://ubuntu.com/security/notices/USN-6122-1 | vendor-advisory |
| https://ubuntu.com/security/notices/USN-6123-1 | vendor-advisory |
| https://ubuntu.com/security/notices/USN-6124-1 | vendor-advisory |
| https://ubuntu.com/security/notices/USN-6127-1 | vendor-advisory |
| http://packetstormsecurity.com/files/173087/Kerne… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical Ltd. | ubuntu-linux |
Affected:
0 , < 02b47547824b1cd0d55c6744f91886f04de8947e
(commit)
|
Date Public
2023-05-30 00:00
Credits
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Mitigation
Implementation
Strategy: Libraries or Frameworks
Use industry standard APIs to implement locking mechanism.
CAPEC-25: Forced Deadlock
The adversary triggers and exploits a deadlock condition in the target software to cause a denial of service. A deadlock can occur when two or more competing actions are waiting for each other to finish, and thus neither ever does. Deadlock conditions can be difficult to detect.
CAPEC-26: Leveraging Race Conditions
The adversary targets a race condition occurring when multiple processes access and manipulate the same resource concurrently, and the outcome of the execution depends on the particular order in which the access takes place. The adversary can leverage a race condition by "running the race", modifying the resource and modifying the normal execution flow. For instance, a race condition can occur while accessing a file: the adversary can trick the system by replacing the original file with their version and cause the system to read the malicious file.
CAPEC-27: Leveraging Race Conditions via Symbolic Links
This attack leverages the use of symbolic links (Symlinks) in order to write to sensitive files. An attacker can create a Symlink link to a target file not otherwise accessible to them. When the privileged program tries to create a temporary file with the same name as the Symlink link, it will actually write to the target file pointed to by the attackers' Symlink link. If the attacker can insert malicious content in the temporary file they will be writing to the sensitive file by using the Symlink. The race occurs because the system checks if the temporary file exists, then creates the file. The attacker would typically create the Symlink during the interval between the check and the creation of the temporary file.