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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

9841 vulnerabilities reference this CWE, most recent first.

CVE-2022-2526 (GCVE-0-2022-2526)

Vulnerability from cvelistv5 – Published: 2022-09-09 00:00 – Updated: 2024-08-03 00:39
VLAI
Summary
A use-after-free vulnerability was found in systemd. This issue occurs due to the on_stream_io() function and dns_stream_complete() function in 'resolved-dns-stream.c' not incrementing the reference counting for the DnsStream object. Therefore, other functions and callbacks called can dereference the DNSStream object, causing the use-after-free when the reference is still used later.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a systemd-resolved Affected: systemd 240
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CVE-2022-2453 (GCVE-0-2022-2453)

Vulnerability from cvelistv5 – Published: 2022-07-19 13:30 – Updated: 2024-08-03 00:39
VLAI
Title
Use After Free in gpac/gpac
Summary
Use After Free in GitHub repository gpac/gpac prior to 2.1-DEV.
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
gpac gpac/gpac Affected: unspecified , < 2.1-DEV (custom)
Create a notification for this product.
Show details on NVD website
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CVE-2022-2345 (GCVE-0-2022-2345)

Vulnerability from cvelistv5 – Published: 2022-07-08 00:00 – Updated: 2024-08-03 00:32
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.0046.
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 , < 9.0.0046 (custom)
Create a notification for this product.
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CVE-2022-2327 (GCVE-0-2022-2327)

Vulnerability from cvelistv5 – Published: 2022-07-22 00:00 – Updated: 2025-04-21 13:51
VLAI
Title
Use-after-free in io_uring ad work_flags in Linux Kernel
Summary
io_uring use work_flags to determine which identity need to grab from the calling process to make sure it is consistent with the calling process when executing IORING_OP. Some operations are missing some types, which can lead to incorrect reference counts which can then lead to a double free. We recommend upgrading the kernel past commit df3f3bb5059d20ef094d6b2f0256c4bf4127a859
Severity
7.5 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Kernel Linux Kernel Affected: unspecified , < df3f3bb5059d20ef094d6b2f0256c4bf4127a859 (custom)
Create a notification for this product.
Show details on NVD website
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CVE-2022-2318 (GCVE-0-2022-2318)

Vulnerability from cvelistv5 – Published: 2022-07-06 00:00 – Updated: 2024-08-03 00:32
VLAI
Summary
There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: Linux Kernel version prior to kernel 5.19 rc5
Show details on NVD website
To clipboard 

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CVE-2022-2289 (GCVE-0-2022-2289)

Vulnerability from cvelistv5 – Published: 2022-07-03 00:00 – Updated: 2024-08-03 00:32
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.
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 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-2042 (GCVE-0-2022-2042)

Vulnerability from cvelistv5 – Published: 2022-06-10 00:00 – Updated: 2024-08-03 00:24
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 8.2.
Severity
7.4 (High)
CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:L
CWE
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 8.2 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-1998 (GCVE-0-2022-1998)

Vulnerability from cvelistv5 – Published: 2022-06-09 14:46 – Updated: 2024-08-03 00:24
VLAI
Summary
A use after free in the Linux kernel File System notify functionality was found in the way user triggers copy_info_records_to_user() call to fail in copy_event_to_user(). 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 5.17-rc3
Show details on NVD website
To clipboard 

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CVE-2022-1976 (GCVE-0-2022-1976)

Vulnerability from cvelistv5 – Published: 2022-08-31 00:00 – Updated: 2024-08-03 00:24
VLAI
Summary
A flaw was found in the Linux kernel’s implementation of IO-URING. This flaw allows an attacker with local executable permission to create a string of requests that can cause a use-after-free flaw within the kernel. This issue leads to memory corruption and possible privilege escalation.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: kernel 5.19-rc1
Show details on NVD website
To clipboard 

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CVE-2022-1974 (GCVE-0-2022-1974)

Vulnerability from cvelistv5 – Published: 2022-08-31 15:32 – Updated: 2024-08-03 00:24
VLAI
Summary
A use-after-free flaw was found in the Linux kernel's NFC core functionality due to a race condition between kobject creation and delete. This vulnerability allows a local attacker with CAP_NET_ADMIN privilege to leak kernel information.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Linux kernel Affected: Linux kernel 5.18 rc6
Show details on NVD website
To clipboard 

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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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