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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
10893 vulnerabilities reference this CWE, most recent first.
CVE-2023-3389 (GCVE-0-2023-3389)
Vulnerability from cvelistv5 – Published: 2023-06-28 19:33 – Updated: 2025-03-05 18:55
VLAI
EPSS
VEX
Title
Use after free in io_uring in the Linux Kernel
Summary
A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.
Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer.
We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-05 18:36 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
10 references
Impacted products
Date Public
2023-06-18 02:21
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CVE-2023-3317 (GCVE-0-2023-3317)
Vulnerability from cvelistv5 – Published: 2023-06-23 00:00 – Updated: 2025-03-11 14:05
VLAI
EPSS
VEX
Summary
A use-after-free flaw was found in mt7921_check_offload_capability in drivers/net/wireless/mediatek/mt76/mt7921/init.c in wifi mt76/mt7921 sub-component in the Linux Kernel. This flaw could allow an attacker to crash the system after 'features' memory release. This vulnerability could even lead to a kernel information leak problem.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-06 15:55 UTC
CWE
Assigner
References
1 reference
Impacted products
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CVE-2023-3297 (GCVE-0-2023-3297)
Vulnerability from cvelistv5 – Published: 2023-09-01 20:49 – Updated: 2024-09-30 20:19
VLAI
EPSS
VEX
Summary
In Ubuntu's accountsservice an unprivileged local attacker can trigger a use-after-free vulnerability in accountsservice by sending a D-Bus message to the accounts-daemon process.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-30 20:18 UTC
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://ubuntu.com/security/notices/USN-6190-1 | vendor-advisory |
| https://securitylab.github.com/advisories/GHSL-20… | third-party-advisorytechnical-description |
| https://bugs.launchpad.net/ubuntu/+source/account… | issue-tracking |
| https://cve.mitre.org/cgi-bin/cvename.cgi?name=CV… | issue-tracking |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical Ltd. | AccountService |
Unaffected:
23.13.9-2ubuntu2
|
Date Public
2023-06-28 12:00
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CVE-2023-3269 (GCVE-0-2023-3269)
Vulnerability from cvelistv5 – Published: 2023-07-11 11:45 – Updated: 2025-03-05 18:54
VLAI
EPSS
VEX
Title
Distros-[dirtyvma] privilege escalation via non-rcu-protected vma traversal
Summary
A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. This issue can be successfully exploited to execute arbitrary kernel code, escalate containers, and gain root privileges.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-05 18:36 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
9 references
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | kernel | ||
| 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
2023-07-05 00:00
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CVE-2023-3159 (GCVE-0-2023-3159)
Vulnerability from cvelistv5 – Published: 2023-06-12 00:00 – Updated: 2025-04-23 16:21
VLAI
EPSS
VEX
Summary
A use after free issue was discovered in driver/firewire in outbound_phy_packet_callback in the Linux Kernel. In this flaw a local attacker with special privilege may cause a use after free problem when queue_event() fails.
Severity
6.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 13:27 UTC
CWE
Assigner
References
1 reference
Impacted products
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CVE-2023-3141 (GCVE-0-2023-3141)
Vulnerability from cvelistv5 – Published: 2023-06-09 00:00 – Updated: 2025-03-11 14:56
VLAI
EPSS
VEX
Summary
A use-after-free flaw was found in r592_remove in drivers/memstick/host/r592.c in media access in the Linux Kernel. This flaw allows a local attacker to crash the system at device disconnect, possibly leading to a kernel information leak.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-06 15:55 UTC
CWE
Assigner
References
6 references
Impacted products
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CVE-2023-3111 (GCVE-0-2023-3111)
Vulnerability from cvelistv5 – Published: 2023-06-05 00:00 – Updated: 2025-04-23 16:21
VLAI
EPSS
VEX
Summary
A use after free vulnerability was found in prepare_to_relocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfs_ioctl_balance() before calling btrfs_ioctl_defrag().
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 13:27 UTC
CWE
Assigner
References
5 references
Impacted products
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CVE-2023-3019 (GCVE-0-2023-3019)
Vulnerability from cvelistv5 – Published: 2023-07-24 15:19 – Updated: 2026-05-12 10:12
VLAI
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-03 15:26 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2024:0135 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:0404 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:0569 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:2135 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-3019 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2222351 | issue-trackingx_refsource_REDHAT |
| https://security.netapp.com/advisory/ntap-2023083… | x_transferred |
| https://lists.debian.org/debian-lts-announce/2025… | |
| https://cert-portal.siemens.com/productcert/html/… |
Impacted products
18 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 |
|
| 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 |
|
| 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 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
17:8.2.0-11.el9_4 , < *
(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 Advanced Virtualization |
cpe:/a:redhat:advanced_virtualization:8::el8
|
|
| Siemens | RUGGEDCOM ROX MX5000 |
Affected:
0 , < V2.17.1
(custom)
|
|
| Siemens | RUGGEDCOM ROX MX5000RE |
Affected:
0 , < V2.17.1
(custom)
|
|
| Siemens | RUGGEDCOM ROX RX1400 |
Affected:
0 , < V2.17.1
(custom)
|
|
| Siemens | RUGGEDCOM ROX RX1500 |
Affected:
0 , < V2.17.1
(custom)
|
|
| Siemens | RUGGEDCOM ROX RX1501 |
Affected:
0 , < V2.17.1
(custom)
|
|
| Siemens | RUGGEDCOM ROX RX1510 |
Affected:
0 , < V2.17.1
(custom)
|
|
| Siemens | RUGGEDCOM ROX RX1511 |
Affected:
0 , < V2.17.1
(custom)
|
|
| Siemens | RUGGEDCOM ROX RX1512 |
Affected:
0 , < V2.17.1
(custom)
|
|
| Siemens | RUGGEDCOM ROX RX1524 |
Affected:
0 , < V2.17.1
(custom)
|
|
| Siemens | RUGGEDCOM ROX RX1536 |
Affected:
0 , < V2.17.1
(custom)
|
|
| Siemens | RUGGEDCOM ROX RX5000 |
Affected:
0 , < V2.17.1
(custom)
|
Date Public
2023-06-01 00:00
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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
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-06 15:55 UTC
CWE
Assigner
References
1 reference
Impacted products
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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
EPSS
VEX
Title
SiteManager Embedded service disruption
Summary
Use After Free vulnerability in Secomea SiteManager Embedded allows Obstruction.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:32 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Secomea | SiteManager Embedded |
Affected:
0 , < 11.0
(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.