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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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-2022-3424 (GCVE-0-2022-3424)

Vulnerability from cvelistv5 – Published: 2023-03-06 00:00 – Updated: 2025-03-06 20:27
VLAI
Summary
A use-after-free flaw was found in the Linux kernel’s SGI GRU driver in the way the first gru_file_unlocked_ioctl function is called by the user, where a fail pass occurs in the gru_check_chiplet_assignment function. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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
n/a kernel Affected: unknown
Show details on NVD website
To clipboard 

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CVE-2022-3352 (GCVE-0-2022-3352)

Vulnerability from cvelistv5 – Published: 2022-09-29 00:00 – Updated: 2025-05-20 20:17
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.0614.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0.0614 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-3297 (GCVE-0-2022-3297)

Vulnerability from cvelistv5 – Published: 2022-09-25 00:00 – Updated: 2025-05-21 19:40
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.0579.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0.0579 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-3256 (GCVE-0-2022-3256)

Vulnerability from cvelistv5 – Published: 2022-09-22 00:00 – Updated: 2025-05-23 20:31
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.0530.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0.0530 (custom)
Create a notification for this product.
Show details on NVD website
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CVE-2022-3239 (GCVE-0-2022-3239)

Vulnerability from cvelistv5 – Published: 2022-09-19 00:00 – Updated: 2024-08-03 01:00
VLAI
Summary
A flaw use after free in the Linux kernel video4linux driver was found in the way user triggers em28xx_usb_probe() for the Empia 28xx based TV cards. 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 5.18-rc1
Show details on NVD website
To clipboard 

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CVE-2022-3235 (GCVE-0-2022-3235)

Vulnerability from cvelistv5 – Published: 2022-09-18 00:00 – Updated: 2024-08-03 01:00
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.0490.
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 , < 9.0.0490 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-3176 (GCVE-0-2022-3176)

Vulnerability from cvelistv5 – Published: 2022-09-16 13:55 – Updated: 2025-04-21 13:49
VLAI
Title
Use-after-free in io_uring in Linux Kernel
Summary
There exists a use-after-free in io_uring in the Linux kernel. Signalfd_poll() and binder_poll() use a waitqueue whose lifetime is the current task. It will send a POLLFREE notification to all waiters before the queue is freed. Unfortunately, the io_uring poll doesn't handle POLLFREE. This allows a use-after-free to occur if a signalfd or binder fd is polled with io_uring poll, and the waitqueue gets freed. We recommend upgrading past commit fc78b2fc21f10c4c9c4d5d659a685710ffa63659
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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
Linux Kernel Affected: unspecified , < fc78b2fc21f10c4c9c4d5d659a685710ffa63659 (custom)
Create a notification for this product.
Date Public
2022-08-31 00:00
Credits
Bing-Jhong Billy Jheng <billy@starlabs.sg>
Show details on NVD website
To clipboard 

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CVE-2022-3134 (GCVE-0-2022-3134)

Vulnerability from cvelistv5 – Published: 2022-09-06 00:00 – Updated: 2025-11-03 20:34
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.0389.
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 , < 9.0.0389 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-3099 (GCVE-0-2022-3099)

Vulnerability from cvelistv5 – Published: 2022-09-03 00:00 – Updated: 2025-11-03 20:34
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.0360.
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 , < 9.0.0360 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-3037 (GCVE-0-2022-3037)

Vulnerability from cvelistv5 – Published: 2022-08-30 20:35 – Updated: 2024-08-03 01:00
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.0322.
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 , < 9.0.0322 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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            {
              "name": "https://github.com/vim/vim/commit/4f1b083be43f351bc107541e7b0c9655a5d2c0bb",
              "refsource": "MISC",
              "url": "https://github.com/vim/vim/commit/4f1b083be43f351bc107541e7b0c9655a5d2c0bb"
            },
            {
              "name": "FEDORA-2022-221bd89404",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RY3GEN2Q46ZJKSNHTN2XB6B3VAJBEILN/"
            },
            {
              "name": "FEDORA-2022-35d9bdb7dc",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VHJ6LCLHGGVI2U6ZHXHTZ2PYP4STC23N/"
            },
            {
              "name": "FEDORA-2022-b9edf60581",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XWOJOA7PZZAMBI5GFTL6PWHXMWSDLUXL/"
            }
          ]
        },
        "source": {
          "advisory": "af4c2f2d-d754-4607-b565-9e92f3f717b5",
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
    "assignerShortName": "@huntrdev",
    "cveId": "CVE-2022-3037",
    "datePublished": "2022-08-30T20:35:10.000Z",
    "dateReserved": "2022-08-29T00:00:00.000Z",
    "dateUpdated": "2024-08-03T01:00:10.487Z",
    "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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