Common Weakness Enumeration

CWE-416

Allowed

Use After Free

Abstraction: Variant · Status: Stable

API response cwe.mitre.org

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

9821 vulnerabilities reference this CWE, most recent first.

CVE-2022-3016 (GCVE-0-2022-3016)

Vulnerability from cvelistv5 – Published: 2022-08-28 00:00 – Updated: 2024-08-03 00:53
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.0286.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0.0286 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-2982 (GCVE-0-2022-2982)

Vulnerability from cvelistv5 – Published: 2022-08-25 00:00 – Updated: 2024-08-03 00:53
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.0260.
Severity
7.6 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L
CWE
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0.0260 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-2979 (GCVE-0-2022-2979)

Vulnerability from cvelistv5 – Published: 2022-09-12 19:24 – Updated: 2025-04-16 17:47
VLAI
Title
Omron CX-Programmer
Summary
Opening a specially crafted file could cause the affected product to fail to release its memory reference potentially resulting in arbitrary code execution.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Omron CX-Programmer Affected: All , < v9.78 (custom)
Create a notification for this product.
Date Public
2022-08-30 00:00
Credits
xina1i, working with Trend Micro’s Zero Day Initiative, reported this vulnerability to CISA.
Show details on NVD website
To clipboard 

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CVE-2022-2978 (GCVE-0-2022-2978)

Vulnerability from cvelistv5 – Published: 2022-08-24 00:00 – Updated: 2024-08-03 00:53
VLAI
Summary
A flaw use after free in the Linux kernel NILFS file system was found in the way user triggers function security_inode_alloc to fail with following call to function nilfs_mdt_destroy. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: Linux kernel 6.0-rc3
Show details on NVD website
To clipboard 

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CVE-2022-2977 (GCVE-0-2022-2977)

Vulnerability from cvelistv5 – Published: 2022-09-14 00:00 – Updated: 2024-08-03 00:52
VLAI
Summary
A flaw was found in the Linux kernel implementation of proxied virtualized TPM devices. On a system where virtualized TPM devices are configured (this is not the default) a local attacker can create a use-after-free and create a situation where it may be possible to escalate privileges on the system.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Linux kernel Affected: Linux kernel versions prior to 5.18
Show details on NVD website
To clipboard 

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CVE-2022-2961 (GCVE-0-2022-2961)

Vulnerability from cvelistv5 – Published: 2022-08-29 00:00 – Updated: 2024-08-03 00:53
VLAI
Summary
A use-after-free flaw was found in the Linux kernel’s PLP Rose functionality in the way a user triggers a race condition by calling bind while simultaneously triggering the rose_bind() function. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: Linux kernel 6.0-rc2
Show details on NVD website
To clipboard 

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CVE-2022-2946 (GCVE-0-2022-2946)

Vulnerability from cvelistv5 – Published: 2022-08-23 00:00 – Updated: 2024-08-03 00:53
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.0246.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0.0246 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-2938 (GCVE-0-2022-2938)

Vulnerability from cvelistv5 – Published: 2022-08-23 00:00 – Updated: 2024-08-03 00:53
VLAI
Summary
A flaw was found in the Linux kernel's implementation of Pressure Stall Information. While the feature is disabled by default, it could allow an attacker to crash the system or have other memory-corruption side effects.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: kernel 5.17
Show details on NVD website
To clipboard 

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CVE-2022-2889 (GCVE-0-2022-2889)

Vulnerability from cvelistv5 – Published: 2022-08-19 00:00 – Updated: 2024-08-03 00:52
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.0225.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0.0225 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-2862 (GCVE-0-2022-2862)

Vulnerability from cvelistv5 – Published: 2022-08-17 00:00 – Updated: 2024-08-03 00:52
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.0221.
Severity
7.6 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0.0221 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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            "baseScore": 7.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "CWE-416 Use After Free",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-05-03T00:00:00.000Z",
        "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
        "shortName": "@huntrdev"
      },
      "references": [
        {
          "url": "https://huntr.dev/bounties/71180988-1ab6-4311-bca8-e9a879b06765"
        },
        {
          "url": "https://github.com/vim/vim/commit/1889f499a4f248cd84e0e0bf6d0d820016774494"
        },
        {
          "name": "FEDORA-2022-b9edf60581",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWOJOA7PZZAMBI5GFTL6PWHXMWSDLUXL/"
        },
        {
          "name": "GLSA-202305-16",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202305-16"
        }
      ],
      "source": {
        "advisory": "71180988-1ab6-4311-bca8-e9a879b06765",
        "discovery": "EXTERNAL"
      },
      "title": "Use After Free in vim/vim"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
    "assignerShortName": "@huntrdev",
    "cveId": "CVE-2022-2862",
    "datePublished": "2022-08-17T00:00:00.000Z",
    "dateReserved": "2022-08-16T00:00:00.000Z",
    "dateUpdated": "2024-08-03T00:52:59.949Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}
Mitigation
Architecture and Design

Strategy: Language Selection

Choose a language that provides automatic memory management.

Mitigation
Implementation

Strategy: Attack Surface Reduction

When freeing pointers, be sure to set them to NULL once they are freed. However, the utilization of multiple or complex data structures may lower the usefulness of this strategy.

No CAPEC attack patterns related to this CWE.

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