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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

9854 vulnerabilities reference this CWE, most recent first.

CVE-2023-3019 (GCVE-0-2023-3019)

Vulnerability from cvelistv5 – Published: 2023-07-24 15:19 – Updated: 2026-05-12 10:12
VLAI
Title
Qemu: e1000e: heap use-after-free in e1000e_write_packet_to_guest()
Summary
A DMA reentrancy issue leading to a use-after-free error was found in the e1000e NIC emulation code in QEMU. This issue could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service.
Severity
6 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 8 Unaffected: 8090020231206155326.a75119d5 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::crb
    cpe:/a:redhat:enterprise_linux:8::appstream
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Unaffected: 8060020231128234847.ad008a3a , < * (rpm)
    cpe:/a:redhat:rhel_eus:8.6::appstream
    cpe:/a:redhat:rhel_eus:8.6::crb
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support Unaffected: 8080020240116113044.63b34585 , < * (rpm)
    cpe:/a:redhat:rhel_eus:8.8::appstream
    cpe:/a:redhat:rhel_eus:8.8::crb
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 17:8.2.0-11.el9_4 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization     cpe:/a:redhat:advanced_virtualization:8::el8
 Create a notification for this product.
Siemens RUGGEDCOM ROX MX5000 Affected: 0 , < V2.17.1 (custom)
Create a notification for this product.
Siemens RUGGEDCOM ROX MX5000RE Affected: 0 , < V2.17.1 (custom)
Create a notification for this product.
Siemens RUGGEDCOM ROX RX1400 Affected: 0 , < V2.17.1 (custom)
Create a notification for this product.
Siemens RUGGEDCOM ROX RX1500 Affected: 0 , < V2.17.1 (custom)
Create a notification for this product.
Siemens RUGGEDCOM ROX RX1501 Affected: 0 , < V2.17.1 (custom)
Create a notification for this product.
Siemens RUGGEDCOM ROX RX1510 Affected: 0 , < V2.17.1 (custom)
Create a notification for this product.
Siemens RUGGEDCOM ROX RX1511 Affected: 0 , < V2.17.1 (custom)
Create a notification for this product.
Siemens RUGGEDCOM ROX RX1512 Affected: 0 , < V2.17.1 (custom)
Create a notification for this product.
Siemens RUGGEDCOM ROX RX1524 Affected: 0 , < V2.17.1 (custom)
Create a notification for this product.
Siemens RUGGEDCOM ROX RX1536 Affected: 0 , < V2.17.1 (custom)
Create a notification for this product.
Siemens RUGGEDCOM ROX RX5000 Affected: 0 , < V2.17.1 (custom)
Create a notification for this product.
Date Public
2023-06-01 00:00
Show details on NVD website
To clipboard 

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CVE-2023-2985 (GCVE-0-2023-2985)

Vulnerability from cvelistv5 – Published: 2023-06-01 00:00 – Updated: 2025-03-11 15:18
VLAI
Summary
A use after free flaw was found in hfsplus_put_super in fs/hfsplus/super.c in the Linux Kernel. This flaw could allow a local user to cause a denial of service problem.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: Kernel version prior to l 6.3-rc1
Show details on NVD website
To clipboard 

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CVE-2023-2912 (GCVE-0-2023-2912)

Vulnerability from cvelistv5 – Published: 2023-07-17 12:31 – Updated: 2024-10-22 13:40
VLAI
Title
SiteManager Embedded service disruption
Summary
Use After Free vulnerability in Secomea SiteManager Embedded allows Obstruction.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Secomea SiteManager Embedded Affected: 0 , < 11.0 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-2763 (GCVE-0-2023-2763)

Vulnerability from cvelistv5 – Published: 2023-07-12 07:05 – Updated: 2024-09-05 14:18
VLAI
Title
Use-After-Free, Out-of-bounds Write and Heap-based Buffer Overflow vulnerabilities exist in the DWG and DXF file reading procedure in SOLIDWORKS Desktop from Release SOLIDWORKS 2021 through Release SOLIDWORKS 2023
Summary
Use-After-Free, Out-of-bounds Write and Heap-based Buffer Overflow vulnerabilities exist in the DWG and DXF file reading procedure in SOLIDWORKS Desktop from Release SOLIDWORKS 2021 through Release SOLIDWORKS 2023. These vulnerabilities could allow an attacker to execute arbitrary code while opening a specially crafted DWG or DXF file.
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
3DS
References
Impacted products
Vendor Product Version
Dassault Systèmes SOLIDWORKS Desktop Affected: Release SOLIDWORKS 2021 Golden , ≤ Release SOLIDWORKS 2021 SP5.1 (custom)
Affected: Release SOLIDWORKS 2022 Golden , ≤ Release SOLIDWORKS 2022 SP5 (custom)
Affected: Release SOLIDWORKS 2023 Golden , ≤ Release SOLIDWORKS 2023 SP2 (custom)
Create a notification for this product.
Credits
Mat Powell from Trend Micro's Zero Day Initiative
Show details on NVD website
To clipboard 

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CVE-2023-2762 (GCVE-0-2023-2762)

Vulnerability from cvelistv5 – Published: 2023-07-12 07:05 – Updated: 2024-11-07 18:16
VLAI
Title
Use-After-Free vulnerability in SLDPRT file reading procedure affecting SOLIDWORKS Desktop from Release SOLIDWORKS 2021 through Release SOLIDWORKS 2023
Summary
A Use-After-Free vulnerability in SLDPRT file reading procedure exists in SOLIDWORKS Desktop from Release SOLIDWORKS 2021 through Release SOLIDWORKS 2023. This vulnerability could allow an attacker to execute arbitrary code while opening a specially crafted SLDPRT file.
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
3DS
References
Impacted products
Vendor Product Version
Dassault Systèmes SOLIDWORKS Desktop Affected: Release SOLIDWORKS 2021 Golden , ≤ Release SOLIDWORKS 2021 SP5.1 (custom)
Affected: Release SOLIDWORKS 2022 Golden , ≤ Release SOLIDWORKS 2022 SP5 (custom)
Affected: Release SOLIDWORKS 2023 Golden , ≤ Release SOLIDWORKS 2023 SP2 (custom)
Create a notification for this product.
Credits
Mat Powell from Trend Micro's Zero Day Initiative
Show details on NVD website
To clipboard 

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CVE-2023-2680 (GCVE-0-2023-2680)

Vulnerability from cvelistv5 – Published: 2023-09-13 16:50 – Updated: 2025-02-13 16:44
VLAI
Title
Dma reentrancy issue (incomplete fix for cve-2021-3750)
Summary
This CVE exists because of an incomplete fix for CVE-2021-3750. More specifically, the qemu-kvm package as released for Red Hat Enterprise Linux 9.1 via RHSA-2022:7967 included a version of qemu-kvm that was actually missing the fix for CVE-2021-3750.
Severity
7.5 (High)
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Date Public
2023-05-12 00:00
Show details on NVD website
To clipboard 

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CVE-2023-2598 (GCVE-0-2023-2598)

Vulnerability from cvelistv5 – Published: 2023-06-01 00:00 – Updated: 2025-04-23 16:21
VLAI
Summary
A flaw was found in the fixed buffer registration code for io_uring (io_sqe_buffer_register in io_uring/rsrc.c) in the Linux kernel that allows out-of-bounds access to physical memory beyond the end of the buffer. This flaw enables full local privilege escalation.
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: Kernel prior to 6.4-rc1
Show details on NVD website
To clipboard 

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CVE-2023-2513 (GCVE-0-2023-2513)

Vulnerability from cvelistv5 – Published: 2023-05-08 00:00 – Updated: 2025-04-23 16:21
VLAI
Summary
A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw could allow a privileged local user to cause a system crash or other undefined behaviors.
Severity
6.7 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/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 Linux kernel ext4 filesystem Affected: Fixed in kernel 6.0-rc1
Show details on NVD website
To clipboard 

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CVE-2023-2236 (GCVE-0-2023-2236)

Vulnerability from cvelistv5 – Published: 2023-05-01 12:50 – Updated: 2025-03-05 19:03
VLAI
Title
Use-after-free in Linux kernel's Performance Events subsystem
Summary
A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation. Both io_install_fixed_file and its callers call fput in a file in case of an error, causing a reference underflow which leads to a use-after-free vulnerability. We recommend upgrading past commit 9d94c04c0db024922e886c9fd429659f22f48ea4.
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: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Kernel Affected: 5.19 , < 6.1 (custom)
Create a notification for this product.
Date Public
2022-11-25 13:54
Show details on NVD website
To clipboard 

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CVE-2023-2235 (GCVE-0-2023-2235)

Vulnerability from cvelistv5 – Published: 2023-05-01 12:51 – Updated: 2025-03-05 19:03
VLAI
Title
Use-after-free in Linux kernel's Performance Events subsystem
Summary
A use-after-free vulnerability in the Linux Kernel Performance Events system can be exploited to achieve local privilege escalation. The perf_group_detach function did not check the event's siblings' attach_state before calling add_event_to_groups(), but remove_on_exec made it possible to call list_del_event() on before detaching from their group, making it possible to use a dangling pointer causing a use-after-free vulnerability. We recommend upgrading past commit fd0815f632c24878e325821943edccc7fde947a2.
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 Linux Kernel Affected: 5.13 , < 6.3 (custom)
Create a notification for this product.
Date Public
2023-03-15 20:49
Credits
Budimir Markovic
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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