Common Weakness Enumeration
CWE-416
AllowedUse After Free
Abstraction: Variant · Status: Stable
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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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-2023-6817 (GCVE-0-2023-6817)
Vulnerability from cvelistv5 – Published: 2023-12-18 14:37 – Updated: 2026-05-12 10:41
VLAI
EPSS
VEX
Title
Use-after-free in Linux kernel's netfilter: nf_tables component
Summary
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
The function nft_pipapo_walk did not skip inactive elements during set walk which could lead double deactivations of PIPAPO (Pile Packet Policies) elements, leading to use-after-free.
We recommend upgrading past commit 317eb9685095678f2c9f5a8189de698c5354316a.
Severity
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
8 references
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Kernel |
Affected:
5.6 , < 6.7
(custom)
|
|
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
Date Public
2023-12-06 16:14
Credits
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CVE-2023-6363 (GCVE-0-2023-6363)
Vulnerability from cvelistv5 – Published: 2024-05-03 13:25 – Updated: 2024-11-25 17:40
VLAI
EPSS
VEX
Title
Mali GPU Kernel Driver allows improper GPU processing operations
Summary
Use After Free vulnerability in Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user to make improper GPU memory processing operations. If the system’s memory is carefully prepared by the user, then this in turn could give them access to already freed memory.
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Severity
5.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Arm Ltd | Valhall GPU Kernel Driver |
Affected:
r41p0 , ≤ r47p0
(patch)
|
|
| Arm Ltd | Arm 5th Gen GPU Architecture Kernel Driver |
Affected:
r41p0 , ≤ r47p0
(patch)
|
Date Public
2024-05-03 10:00
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CVE-2023-6270 (GCVE-0-2023-6270)
Vulnerability from cvelistv5 – Published: 2024-01-04 17:01 – Updated: 2026-03-24 11:22
VLAI
EPSS
VEX
Title
Kernel: aoe: improper reference count leads to use-after-free vulnerability
Summary
A flaw was found in the ATA over Ethernet (AoE) driver in the Linux kernel. The aoecmd_cfg_pkts() function improperly updates the refcnt on `struct net_device`, and a use-after-free can be triggered by racing between the free on the struct and the access through the `skbtxq` global queue. This could lead to a denial of service condition or potential code execution.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2023-6270 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2256786 | issue-trackingx_refsource_REDHAT |
| https://lists.debian.org/debian-lts-announce/2024… | x_transferred |
| https://lists.debian.org/debian-lts-announce/2024… | x_transferred |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
Date Public
2024-01-04 00:00
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CVE-2023-6241 (GCVE-0-2023-6241)
Vulnerability from cvelistv5 – Published: 2024-03-04 12:15 – Updated: 2025-03-13 14:35
VLAI
EPSS
VEX
Title
Mali GPU Kernel Driver allows improper GPU memory processing operations
Summary
Use After Free vulnerability in Arm Ltd Midgard GPU Kernel Driver, Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user to exploit a software race condition to perform improper memory processing operations. If the system’s memory is carefully prepared by the user, then this in turn cause a use-after-free.This issue affects Midgard GPU Kernel Driver: from r13p0 through r32p0; Bifrost GPU Kernel Driver: from r11p0 through r25p0; Valhall GPU Kernel Driver: from r19p0 through r25p0, from r29p0 through r46p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r46p0.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| Arm Ltd | Midgard GPU Kernel Driver |
Affected:
r13p0 , ≤ r32p0
(patch)
|
|
| Arm Ltd | Bifrost GPU Kernel Driver |
Affected:
r11p0 , ≤ r25p0
(patch)
|
|
| Arm Ltd | Valhall GPU Kernel Driver |
Affected:
r19p0 , ≤ r25p0
(patch)
Affected: r29p0 , ≤ r46p0 (patch) |
|
| Arm Ltd | Arm 5th Gen GPU Architecture Kernel Driver |
Affected:
r41p0 , ≤ r46p0
(patch)
|
|
| arm | midgard_gpu_kernel_driver |
Affected:
r13p0 , ≤ r32p0
(custom)
cpe:2.3:a:arm:midgard_gpu_kernel_driver:*:*:*:*:*:*:*:* |
|
| arm | bifrost_gpu_kernel_driver |
Affected:
r11p0 , ≤ r25p0
(custom)
cpe:2.3:a:arm:bifrost_gpu_kernel_driver:*:*:*:*:*:*:*:* |
|
| arm | valhall_gpu_kernel_driver |
Affected:
r19p0 , ≤ r25p0
(custom)
Affected: r29p0 , ≤ r46p0 (custom) cpe:2.3:a:arm:valhall_gpu_kernel_driver:*:*:*:*:*:*:*:* |
|
| arm | 5th_gen_gpu_architecture_kernel_driver |
Affected:
r41p0 , ≤ r46p0
(custom)
cpe:2.3:a:arm:5th_gen_gpu_architecture_kernel_driver:*:*:*:*:*:*:*:* |
Date Public
2024-03-04 12:15
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CVE-2023-6143 (GCVE-0-2023-6143)
Vulnerability from cvelistv5 – Published: 2024-03-04 09:54 – Updated: 2024-08-28 19:03
VLAI
EPSS
VEX
Title
Mali GPU Kernel Driver allows improper GPU memory processing operations
Summary
Use After Free vulnerability in Arm Ltd Midgard GPU Kernel Driver, Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user to exploit a software race condition to perform improper memory processing operations. If the system’s memory is carefully prepared by the user and the system is under heavy load, then this in turn cause a use-after-free.This issue affects Midgard GPU Kernel Driver: from r13p0 through r32p0; Bifrost GPU Kernel Driver: from r1p0 through r18p0; Valhall GPU Kernel Driver: from r37p0 through r46p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r46p0.
Severity
8.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| Arm Ltd | Midgard GPU Kernel Driver |
Affected:
r13p0 , ≤ r32p0
(patch)
|
|
| Arm Ltd | Bifrost GPU Kernel Driver |
Affected:
r1p0 , ≤ r18p0
(patch)
|
|
| Arm Ltd | Valhall GPU Kernel Driver |
Affected:
r37p0 , ≤ r46p0
(patch)
|
|
| Arm Ltd | Arm 5th Gen GPU Architecture Kernel Driver |
Affected:
r41p0 , ≤ r46p0
(patch)
|
|
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Affected:
r13p0 , ≤ r32p0
(custom)
cpe:2.3:a:arm:midgard_gpu_kernel_driver:*:*:*:*:*:*:*:* |
|
| arm | bifrost_gpu_kernel_driver |
Affected:
r1p0 , ≤ r18p0
(custom)
cpe:2.3:a:arm:bifrost_gpu_kernel_driver:*:*:*:*:*:*:*:* |
|
| arm | valhall_gpu_kernel_driver |
Affected:
r37p0 , ≤ r46p0
(custom)
cpe:2.3:a:arm:valhall_gpu_kernel_driver:*:*:*:*:*:*:*:* |
|
| arm | 5th_gen_gpu_architecture_kernel_driver |
Affected:
r41p0 , ≤ r46p0
(custom)
cpe:2.3:a:arm:5th_gen_gpu_architecture_kernel_driver:*:*:*:*:*:*:*:* |
Date Public
2024-03-04 09:53
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CVE-2023-6111 (GCVE-0-2023-6111)
Vulnerability from cvelistv5 – Published: 2023-11-14 14:05 – Updated: 2025-02-13 17:26
VLAI
EPSS
VEX
Title
Use-after-free in Linux kernel's netfilter: nf_tables component
Summary
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
The function nft_trans_gc_catchall did not remove the catchall set element from the catchall_list when the argument sync is true, making it possible to free a catchall set element many times.
We recommend upgrading past commit 93995bf4af2c5a99e2a87f0cd5ce547d31eb7630.
Severity
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
6 references
Date Public
2023-11-08 12:52
Credits
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CVE-2023-6039 (GCVE-0-2023-6039)
Vulnerability from cvelistv5 – Published: 2023-11-09 15:08 – Updated: 2025-02-27 20:34
VLAI
EPSS
VEX
Title
Kernel: use-after-free in drivers/net/usb/lan78xx.c in lan78xx_disconnect
Summary
A use-after-free flaw was found in lan78xx_disconnect in drivers/net/usb/lan78xx.c in the network sub-component, net/usb/lan78xx in the Linux Kernel. This flaw allows a local attacker to crash the system when the LAN78XX USB device detaches.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
3 references
| URL | Tags |
|---|---|
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| https://bugzilla.redhat.com/show_bug.cgi?id=2248755 | issue-trackingx_refsource_REDHAT |
| https://github.com/torvalds/linux/commit/1e7417c1… |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Kernel |
Unaffected:
6.5-rc5
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Fedora | Fedora |
Date Public
2023-07-26 06:30
Credits
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CVE-2023-5574 (GCVE-0-2023-5574)
Vulnerability from cvelistv5 – Published: 2023-10-25 19:47 – Updated: 2026-07-11 21:12
VLAI
EPSS
VEX
Title
Xorg-x11-server: use-after-free bug in damagedestroy
Summary
A use-after-free flaw was found in xorg-x11-server-Xvfb. This issue occurs in Xvfb with a very specific and legacy configuration (a multi-screen setup with multiple protocol screens, also known as Zaphod mode). If the pointer is warped from a screen 1 to a screen 0, a use-after-free issue may be triggered during shutdown or reset of the Xvfb server, allowing for possible escalation of privileges or denial of service.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2024:2298 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-5574 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2244735 | issue-trackingx_refsource_REDHAT |
| https://lists.x.org/archives/xorg-announce/2023-O… | |
| https://security.netapp.com/advisory/ntap-2023113… | x_transferred |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:1.13.1-8.el9 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
Date Public
2023-10-25 00:00
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CVE-2023-5535 (GCVE-0-2023-5535)
Vulnerability from cvelistv5 – Published: 2023-10-11 19:12 – Updated: 2025-02-13 17:25
VLAI
EPSS
VEX
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to v9.0.2010.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
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CVE-2023-5447 (GCVE-0-2023-5447)
Vulnerability from cvelistv5 – Published: 2024-05-11 02:41 – Updated: 2024-08-02 07:59
VLAI
EPSS
VEX
Title
Use-After-Free in Service for Hardware Support App for Fingerprint Driver
Summary
Missing lock check in SynHsaService may create a use-after-free condition which causes abnormal termination of the service, resulting in denial of service for the Synaptics Hardware Support App.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Synaptics | Synaptics Fingerprint Driver |
Affected:
6.0.0.1105 , < 6.0.64.1105
(custom)
Affected: 6.0.0.1136 , < 6.0.39.1136 (custom) |
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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.