CWE-401

Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

CVE-2021-34740 (GCVE-0-2021-34740)

Vulnerability from cvelistv5 – Published: 2021-09-23 02:26 – Updated: 2024-11-07 21:58
VLAI
Title
Cisco Aironet Access Points WLAN Control Protocol Packet Buffer Leak Denial of Service Vulnerability
Summary
A vulnerability in the WLAN Control Protocol (WCP) implementation for Cisco Aironet Access Point (AP) software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. This vulnerability is due to incorrect error handling when an affected device receives an unexpected 802.11 frame. An attacker could exploit this vulnerability by sending certain 802.11 frames over the wireless network to an interface on an affected AP. A successful exploit could allow the attacker to cause a packet buffer leak. This could eventually result in buffer allocation failures, which would trigger a reload of the affected device.
Severity
7.4 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE
Assigner
References
URL Tags
https://tools.cisco.com/security/center/content/C… vendor-advisoryx_refsource_CISCO
Impacted products
Date Public
2021-09-22 00:00
Show details on NVD website
To clipboard 

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CVE-2021-3492 (GCVE-0-2021-3492)

Vulnerability from cvelistv5 – Published: 2021-04-17 04:20 – Updated: 2024-09-17 03:54
VLAI
Title
Ubuntu linux kernel shiftfs file system double free vulnerability
Summary
Shiftfs, an out-of-tree stacking file system included in Ubuntu Linux kernels, did not properly handle faults occurring during copy_from_user() correctly. These could lead to either a double-free situation or memory not being freed at all. An attacker could use this to cause a denial of service (kernel memory exhaustion) or gain privileges via executing arbitrary code. AKA ZDI-CAN-13562.
Severity
8.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-415 - Double Free
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
Ubuntu Linux kernel Affected: 5.8 kernel , < 5.8.0-50.56 (custom)
Affected: 5.4 kernel , < 5.4.0-72.80 (custom)
Create a notification for this product.
Date Public
2021-04-15 00:00
Credits
Vincent Dehors of Synactiv Digital Security
Show details on NVD website
To clipboard 

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CVE-2021-3544 (GCVE-0-2021-3544)

Vulnerability from cvelistv5 – Published: 2021-06-02 13:30 – Updated: 2024-08-03 17:01
VLAI
Summary
Several memory leaks were found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. They exist in contrib/vhost-user-gpu/vhost-user-gpu.c and contrib/vhost-user-gpu/virgl.c due to improper release of memory (i.e., free) after effective lifetime.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a QEMU Affected: All QEMU versions up to and including 6.0
Show details on NVD website
To clipboard 

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CVE-2021-3574 (GCVE-0-2021-3574)

Vulnerability from cvelistv5 – Published: 2022-08-26 00:00 – Updated: 2024-08-03 17:01
VLAI
Summary
A vulnerability was found in ImageMagick-7.0.11-5, where executing a crafted file with the convert command, ASAN detects memory leaks.
Severity
No CVSS data available.
CWE
  • CWE-401 - - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
n/a ImageMagick Affected: Fixed in ImageMagick-7.0.11-8, ImageMagick-6.9.12-8
Show details on NVD website
To clipboard 

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CVE-2021-37205 (GCVE-0-2021-37205)

Vulnerability from cvelistv5 – Published: 2022-02-09 15:16 – Updated: 2025-04-18 18:29
VLAI
Summary
A vulnerability has been identified in SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions >= V21.9 < V21.9.4), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions >= V4.5.0 < V4.5.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions >= V2.9.2 < V2.9.4), SIMATIC S7-1500 Software Controller (All versions >= V21.9 < V21.9.4), SIMATIC S7-PLCSIM Advanced (All versions >= V4.0 < V4.0 SP1), SIPLUS TIM 1531 IRC (All versions < V2.3.6), TIM 1531 IRC (All versions < V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packets over port 102/tcp. A restart of the affected device is needed to restore normal operations.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2021-3744 (GCVE-0-2021-3744)

Vulnerability from cvelistv5 – Published: 2022-03-04 15:55 – Updated: 2024-08-03 17:01
VLAI
Summary
A memory leak flaw was found in the Linux kernel in the ccp_run_aes_gcm_cmd() function in drivers/crypto/ccp/ccp-ops.c, which allows attackers to cause a denial of service (memory consumption). This vulnerability is similar with the older CVE-2019-18808.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: Fixed in v5.15-rc4 and above.
Show details on NVD website
To clipboard 

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CVE-2021-3905 (GCVE-0-2021-3905)

Vulnerability from cvelistv5 – Published: 2022-08-23 00:00 – Updated: 2024-08-03 17:09
VLAI
Summary
A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments.
Severity
No CVSS data available.
CWE
  • CWE-401 - - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
n/a openvswitch (ovs) Affected: Fixed in v2.17.0
Show details on NVD website
To clipboard 

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CVE-2021-39176 (GCVE-0-2021-39176)

Vulnerability from cvelistv5 – Published: 2021-08-31 18:05 – Updated: 2024-08-04 01:58
VLAI
Title
Missing Release of Memory after Effective Lifetime in detect-character-encoding
Summary
detect-character-encoding is a package for detecting character encoding using ICU. In detect-character-encoding v0.3.0 and earlier, allocated memory is not released. The problem has been patched in detect-character-encoding v0.3.1.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2021-4213 (GCVE-0-2021-4213)

Vulnerability from cvelistv5 – Published: 2022-08-24 15:07 – Updated: 2024-08-03 17:16
VLAI
Summary
A flaw was found in JSS, where it did not properly free up all memory. Over time, the wasted memory builds up in the server memory, saturating the server’s RAM. This flaw allows an attacker to force the invocation of an out-of-memory process, causing a denial of service.
Severity
No CVSS data available.
CWE
  • CWE-401 - - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
n/a JSS Affected: Fixed in v5.2.0-beta1
Show details on NVD website
To clipboard 

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CVE-2021-44540 (GCVE-0-2021-44540)

Vulnerability from cvelistv5 – Published: 2021-12-23 19:48 – Updated: 2024-08-04 04:25
VLAI
Summary
A vulnerability was found in Privoxy which was fixed in get_url_spec_param() by freeing memory of compiled pattern spec before bailing.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Privoxy Affected: Privoxy 3.0.33
Show details on NVD website
To clipboard 

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Mitigation ID: MIT-41

Phase: Implementation

Strategy: Libraries or Frameworks

Description:

  • Choose a language or tool that provides automatic memory management, or makes manual memory management less error-prone.
  • For example, glibc in Linux provides protection against free of invalid pointers.
  • When using Xcode to target OS X or iOS, enable automatic reference counting (ARC) [REF-391].
  • To help correctly and consistently manage memory when programming in C++, consider using a smart pointer class such as std::auto_ptr (defined by ISO/IEC ISO/IEC 14882:2003), std::shared_ptr and std::unique_ptr (specified by an upcoming revision of the C++ standard, informally referred to as C++ 1x), or equivalent solutions such as Boost.
Mitigation

Phase: Architecture and Design

Description:

  • Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation

Phases: Architecture and Design, Build and Compilation

Description:

  • Consider using the Boehm-Demers-Weiser garbage collector (bdwgc), which can help avoid leaks.

No CAPEC attack patterns related to this CWE.

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