CWE-416

Use After Free

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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

CVE-2022-1204 (GCVE-0-2022-1204)

Vulnerability from cvelistv5 – Published: 2022-08-29 14:03 – Updated: 2024-08-02 23:55
VLAI
Summary
A use-after-free flaw was found in the Linux kernel’s Amateur Radio AX.25 protocol functionality in the way a user connects with the protocol. This flaw allows a local user to crash the system.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: Not-Known.
Show details on NVD website
To clipboard 

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CVE-2022-1205 (GCVE-0-2022-1205)

Vulnerability from cvelistv5 – Published: 2022-08-31 15:32 – Updated: 2024-08-02 23:55
VLAI
Summary
A NULL pointer dereference flaw was found in the Linux kernel’s Amateur Radio AX.25 protocol functionality in the way a user connects with the protocol. This flaw allows a local user to crash the system.
Severity
No CVSS data available.
CWE
  • CWE-416 - - Use After Free, CWE-476 - NULL Pointer Dereference.
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: Fixed in kernel v5.18-rc1
Show details on NVD website
To clipboard 

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CVE-2022-1212 (GCVE-0-2022-1212)

Vulnerability from cvelistv5 – Published: 2022-04-05 03:45 – Updated: 2024-08-02 23:55
VLAI
Title
Use-After-Free in str_escape in mruby/mruby in mruby/mruby
Summary
Use-After-Free in str_escape in mruby/mruby in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being exploited.
Severity
9.3 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
mruby mruby/mruby Affected: unspecified , < 3.2 (custom)
Create a notification for this product.
Show details on NVD website
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CVE-2022-1280 (GCVE-0-2022-1280)

Vulnerability from cvelistv5 – Published: 2022-04-13 17:05 – Updated: 2024-08-02 23:55
VLAI
Summary
A use-after-free vulnerability was found in drm_lease_held in drivers/gpu/drm/drm_lease.c in the Linux kernel due to a race problem. This flaw allows a local user privilege attacker to cause a denial of service (DoS) or a kernel information leak.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: kernel 5.17.x
Show details on NVD website
To clipboard 

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CVE-2022-1284 (GCVE-0-2022-1284)

Vulnerability from cvelistv5 – Published: 2022-04-08 18:45 – Updated: 2024-08-02 23:55
VLAI
Title
heap-use-after-free in radareorg/radare2
Summary
heap-use-after-free in GitHub repository radareorg/radare2 prior to 5.6.8. This vulnerability is capable of inducing denial of service.
Severity
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
radareorg radareorg/radare2 Affected: unspecified , < 5.6.8 (custom)
Create a notification for this product.
Show details on NVD website
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CVE-2022-1419 (GCVE-0-2022-1419)

Vulnerability from cvelistv5 – Published: 2022-05-31 17:59 – Updated: 2024-08-03 00:03
VLAI
Summary
The root cause of this vulnerability is that the ioctl$DRM_IOCTL_MODE_DESTROY_DUMB can decrease refcount of *drm_vgem_gem_object *(created in *vgem_gem_dumb_create*) concurrently, and *vgem_gem_dumb_create *will access the freed drm_vgem_gem_object.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: kernel 5.x
Show details on NVD website
To clipboard 

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CVE-2022-1444 (GCVE-0-2022-1444)

Vulnerability from cvelistv5 – Published: 2022-04-23 21:20 – Updated: 2024-08-03 00:03
VLAI
Title
heap-use-after-free in radareorg/radare2
Summary
heap-use-after-free in GitHub repository radareorg/radare2 prior to 5.7.0. This vulnerability is capable of inducing denial of service.
Severity
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
radareorg radareorg/radare2 Affected: unspecified , < 5.7.0 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-1516 (GCVE-0-2022-1516)

Vulnerability from cvelistv5 – Published: 2022-05-05 14:57 – Updated: 2024-08-03 00:10
VLAI
Summary
A NULL pointer dereference flaw was found in the Linux kernel’s X.25 set of standardized network protocols functionality in the way a user terminates their session using a simulated Ethernet card and continued usage of this connection. This flaw allows a local user to crash the system.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: Linux kernel 5.18-rc1
Show details on NVD website
To clipboard 

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CVE-2022-1616 (GCVE-0-2022-1616)

Vulnerability from cvelistv5 – Published: 2022-05-07 00:00 – Updated: 2025-11-03 20:34
VLAI
Title
Use after free in append_command in vim/vim
Summary
Use after free in append_command in GitHub repository vim/vim prior to 8.2.4895. This vulnerability is capable of crashing software, Bypass Protection Mechanism, Modify Memory, and possible remote execution
Severity
7.3 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 8.2.4895 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-1652 (GCVE-0-2022-1652)

Vulnerability from cvelistv5 – Published: 2022-05-31 18:05 – Updated: 2024-08-03 00:10
VLAI
Summary
Linux Kernel could allow a local attacker to execute arbitrary code on the system, caused by a concurrency use-after-free flaw in the bad_flp_intr function. By executing a specially-crafted program, an attacker could exploit this vulnerability to execute arbitrary code or cause a denial of service condition on the system.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: Linux Kernel through 5.17.5
Show details on NVD website
To clipboard 

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Mitigation

Phase: Architecture and Design

Strategy: Language Selection

Description:

  • Choose a language that provides automatic memory management.
Mitigation

Phase: Implementation

Strategy: Attack Surface Reduction

Description:

  • 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.

Back to CWE stats page