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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
9821 vulnerabilities reference this CWE, most recent first.
CVE-2022-2817 (GCVE-0-2022-2817)
Vulnerability from cvelistv5 – Published: 2022-08-15 00:00 – Updated: 2024-08-03 00:52
VLAI
EPSS
VEX
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.0213.
Severity
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
4 references
Impacted products
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CVE-2022-2738 (GCVE-0-2022-2738)
Vulnerability from cvelistv5 – Published: 2022-09-01 20:50 – Updated: 2024-08-03 00:46
VLAI
EPSS
VEX
Summary
The version of podman as released for Red Hat Enterprise Linux 7 Extras via RHSA-2022:2190 advisory included an incorrect version of podman missing the fix for CVE-2020-8945, which was previously fixed via RHSA-2020:2117. This issue could possibly be used to crash or cause potential code execution in Go applications that use the Go GPGME wrapper library, under certain conditions, during GPG signature verification.
Severity
No CVSS data available.
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2116923 | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2022-2738 | x_refsource_MISC |
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CVE-2022-2602 (GCVE-0-2022-2602)
Vulnerability from cvelistv5 – Published: 2024-01-08 17:56 – Updated: 2025-04-17 17:54
VLAI
EPSS
VEX
Summary
io_uring UAF, Unix SCM garbage collection
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://ubuntu.com/security/notices/USN-5692-1 | third-party-advisory |
| https://ubuntu.com/security/notices/USN-5752-1 | third-party-advisory |
| https://ubuntu.com/security/notices/USN-5693-1 | third-party-advisory |
| https://cve.mitre.org/cgi-bin/cvename.cgi?name=CV… | issue-tracking |
| https://ubuntu.com/security/notices/USN-5691-1 | third-party-advisory |
| https://ubuntu.com/security/notices/USN-5700-1 | third-party-advisory |
| http://packetstormsecurity.com/files/176533/Linux… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Linux Kernel Organization | linux |
Affected:
0 , < 6.1~rc1
(semver)
|
Credits
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CVE-2022-2588 (GCVE-0-2022-2588)
Vulnerability from cvelistv5 – Published: 2024-01-08 17:50 – Updated: 2025-05-22 18:23
VLAI
EPSS
VEX
Summary
It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
15 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Linux Kernel Organization | linux |
Affected:
0 , < 6.0~rc1
(semver)
|
Credits
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CVE-2022-2586 (GCVE-0-2022-2586)
Vulnerability from cvelistv5 – Published: 2024-01-08 17:46 – Updated: 2025-10-21 23:05
VLAI
EPSS
VEX
Summary
It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.
Severity
5.3 (Medium)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
15 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| The Linux Kernel Organization | linux |
Affected:
0 , < 6.0~rc1
(semver)
|
|
| linux | linux_kernel |
Affected:
0 , < 6.0-rc1
(custom)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Credits
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CVE-2022-2585 (GCVE-0-2022-2585)
Vulnerability from cvelistv5 – Published: 2024-01-08 17:38 – Updated: 2024-09-04 19:03
VLAI
EPSS
VEX
Summary
It was discovered that when exec'ing from a non-leader thread, armed POSIX CPU timers would be left on a list but freed, leading to a use-after-free.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://ubuntu.com/security/notices/USN-5566-1 | third-party-advisory |
| https://ubuntu.com/security/notices/USN-5564-1 | third-party-advisory |
| https://cve.mitre.org/cgi-bin/cvename.cgi?name=CV… | issue-tracking |
| https://ubuntu.com/security/notices/USN-5567-1 | third-party-advisory |
| https://lore.kernel.org/lkml/20220809170751.16471… | issue-tracking |
| https://www.openwall.com/lists/oss-security/2022/… | issue-tracking |
| https://ubuntu.com/security/notices/USN-5565-1 | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Linux Kernel Organization | linux |
Affected:
0 , < 6.0~rc1
(semver)
|
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CVE-2022-2526 (GCVE-0-2022-2526)
Vulnerability from cvelistv5 – Published: 2022-09-09 00:00 – Updated: 2024-08-03 00:39
VLAI
EPSS
VEX
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
1 product
| 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
EPSS
VEX
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)
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/c8c964de-046a-41b2-9ff… | x_refsource_CONFIRM |
| https://github.com/gpac/gpac/commit/dc7de8d3d6044… | x_refsource_MISC |
Impacted products
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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
EPSS
VEX
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)
CWE
- CWE-416 - Use After Free
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/1eed7009-db6d-487b-bc4… | |
| https://github.com/vim/vim/commit/32acf1f1a72ebb9… | |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://security.gentoo.org/glsa/202208-32 | vendor-advisory |
| https://security.gentoo.org/glsa/202305-16 | vendor-advisory |
Impacted products
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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
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Linux Kernel | Linux Kernel |
Affected:
unspecified , < df3f3bb5059d20ef094d6b2f0256c4bf4127a859
(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.