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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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-2022-1050 (GCVE-0-2022-1050)

Vulnerability from cvelistv5 – Published: 2022-03-29 00:00 – Updated: 2024-08-02 23:47
VLAI
Summary
A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to execute HW commands when shared buffers are not yet allocated, potentially leading to a use-after-free condition.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a QEMU Affected: qemu 2.20.1
Show details on NVD website
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CVE-2022-1055 (GCVE-0-2022-1055)

Vulnerability from cvelistv5 – Published: 2022-03-29 15:05 – Updated: 2024-08-02 23:47
VLAI
Title
Use after Free in tc_new_tfilter allowing for privilege escalation in Linux Kernel
Summary
A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
Severity
8.6 (High)
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Kernel Affected: 0 , < v5.17-rc3 (custom)
Unaffected: 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5 (git)
Create a notification for this product.
linux linux_kernel Affected: 0 , < 5.17_rc3 (custom)
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website
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CVE-2022-1071 (GCVE-0-2022-1071)

Vulnerability from cvelistv5 – Published: 2022-03-26 03:40 – Updated: 2024-08-02 23:47
VLAI
Title
User after free in mrb_vm_exec in mruby/mruby
Summary
User after free in mrb_vm_exec in GitHub repository mruby/mruby prior to 3.2.
Severity
7.7 (High)
CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/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
To clipboard 

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CVE-2022-1106 (GCVE-0-2022-1106)

Vulnerability from cvelistv5 – Published: 2022-03-27 14:05 – Updated: 2024-08-02 23:55
VLAI
Title
use after free in mrb_vm_exec in mruby/mruby
Summary
use after free in mrb_vm_exec in GitHub repository mruby/mruby prior to 3.2.
Severity
7.2 (High)
CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/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-2022-1114 (GCVE-0-2022-1114)

Vulnerability from cvelistv5 – Published: 2022-04-29 15:38 – Updated: 2024-08-02 23:55
VLAI
Summary
A heap-use-after-free flaw was found in ImageMagick's RelinquishDCMInfo() function of dcm.c file. This vulnerability is triggered when an attacker passes a specially crafted DICOM image file to ImageMagick for conversion, potentially leading to information disclosure and a denial of service.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a ImageMagick Affected: ImageMagick6 v6.9.12-43, ImageMagick7 v7.1.0-28
Show details on NVD website
To clipboard 

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CVE-2022-1154 (GCVE-0-2022-1154)

Vulnerability from cvelistv5 – Published: 2022-03-30 00:00 – Updated: 2024-08-02 23:55
VLAI
Title
Use after free in utf_ptr2char in vim/vim
Summary
Use after free in utf_ptr2char in GitHub repository vim/vim prior to 8.2.4646.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 8.2.4646 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-1158 (GCVE-0-2022-1158)

Vulnerability from cvelistv5 – Published: 2022-08-05 00:00 – Updated: 2024-08-02 23:55
VLAI
Summary
A flaw was found in KVM. When updating a guest's page table entry, vm_pgoff was improperly used as the offset to get the page's pfn. As vaddr and vm_pgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and potentially corrupt the kernel, resulting in a denial of service condition.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: kernel 5.18
Show details on NVD website
To clipboard 

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CVE-2022-1184 (GCVE-0-2022-1184)

Vulnerability from cvelistv5 – Published: 2022-08-29 00:00 – Updated: 2024-08-02 23:55
VLAI
Summary
A use-after-free flaw was found in fs/ext4/namei.c:dx_insert_block() in the Linux kernel’s filesystem sub-component. This flaw allows a local attacker with a user privilege to cause a denial of service.
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-2022-1198 (GCVE-0-2022-1198)

Vulnerability from cvelistv5 – Published: 2022-08-29 14:03 – Updated: 2024-08-02 23:55
VLAI
Summary
A use-after-free vulnerabilitity was discovered in drivers/net/hamradio/6pack.c of linux that allows an attacker to crash linux kernel by simulating ax25 device using 6pack driver from user space.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: Fixed in kernel v5.17-rc6
Show details on NVD website
To clipboard 

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CVE-2022-1199 (GCVE-0-2022-1199)

Vulnerability from cvelistv5 – Published: 2022-08-29 00:00 – Updated: 2025-04-23 17:47
VLAI
Summary
A flaw was found in the Linux kernel. This flaw allows an attacker to crash the Linux kernel by simulating amateur radio from the user space, resulting in a null-ptr-deref vulnerability and a use-after-free vulnerability.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
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-rc4
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.

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