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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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-2022-1976 (GCVE-0-2022-1976)
Vulnerability from cvelistv5 – Published: 2022-08-31 00:00 – Updated: 2024-08-03 00:24
VLAI
Summary
A flaw was found in the Linux kernel’s implementation of IO-URING. This flaw allows an attacker with local executable permission to create a string of requests that can cause a use-after-free flaw within the kernel. This issue leads to memory corruption and possible privilege escalation.
Severity
No CVSS data available.
CWE
Assigner
References
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CVE-2022-1998 (GCVE-0-2022-1998)
Vulnerability from cvelistv5 – Published: 2022-06-09 14:46 – Updated: 2024-08-03 00:24
VLAI
Summary
A use after free in the Linux kernel File System notify functionality was found in the way user triggers copy_info_records_to_user() call to fail in copy_event_to_user(). A local user could use this flaw to crash the system or potentially escalate their privileges on the system.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
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CVE-2022-2042 (GCVE-0-2022-2042)
Vulnerability from cvelistv5 – Published: 2022-06-10 00:00 – Updated: 2024-08-03 00:24
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 8.2.
Severity
7.4 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
11 references
Impacted products
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CVE-2022-22207 (GCVE-0-2022-22207)
Vulnerability from cvelistv5 – Published: 2022-07-20 14:14 – Updated: 2024-09-16 23:45
VLAI
Title
Junos OS: MX Series with MPC11: In a GNF / node slicing scenario gathering AF interface statistics can lead to a kernel crash
Summary
A Use After Free vulnerability in the Advanced Forwarding Toolkit (AFT) manager process (aftmand) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause a kernel crash due to intensive polling of Abstracted Fabric (AF) interface statistics and thereby a Denial of Service (DoS). Continued gathering of AF interface statistics will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on MX Series: 20.1 versions later than 20.1R1; 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S4; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2; 21.2 versions prior to 21.2R2.
Severity
7.5 (High)
CWE
- CWE-416 - Use After Free
- Denial of Service (DoS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA69711 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
20.1R1 , < 20.1*
(custom)
Affected: 20.2 , < 20.2R3-S5 (custom) Affected: 20.3 , < 20.3R3-S4 (custom) Affected: 20.4 , < 20.4R3 (custom) Affected: 21.1 , < 21.1R2 (custom) Affected: 21.2 , < 21.2R2 (custom) |
Date Public
2022-07-13 00:00
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CVE-2022-22208 (GCVE-0-2022-22208)
Vulnerability from cvelistv5 – Published: 2022-10-18 02:46 – Updated: 2025-05-12 14:46
VLAI
Title
Junos OS and Junos OS Evolved: An rpd crash can occur due to memory corruption caused by flapping BGP sessions
Summary
A Use After Free vulnerability in the Routing Protocol Daemon (rdp) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker to cause Denial of Service (DoS). When a BGP session flap happens, a Use After Free of a memory location that was assigned to another object can occur, which will lead to an rpd crash. This is a race condition that is outside of the attacker's control and cannot be deterministically exploited. Continued flapping of BGP sessions can create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS: All versions prior to 18.4R2-S9, 18.4R3-S11; 19.1 versions prior to 19.1R3-S8; 19.2 version 19.2R1 and later versions; 19.3 versions prior to 19.3R3-S5; 19.4 versions prior to 19.4R2-S6, 19.4R3-S6; 20.1 version 20.1R1 and later versions; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R3-S3; 21.2 versions prior to 21.2R2-S1, 21.2R3. Juniper Networks Junos OS Evolved All versions prior to 20.4R3-S4-EVO; 21.1-EVO versions prior to 21.1R3-S2-EVO; 21.2-EVO versions prior to 21.2R3-EVO; 21.3-EVO versions prior to 21.3R2-EVO.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
- Denial of Service (DoS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA69879 |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
unspecified , < 18.4R2-S9, 18.4R3-S11
(custom)
Affected: 19.1 , < 19.1R3-S8 (custom) Affected: 19.2R1 , < 19.2* (custom) Affected: 19.3 , < 19.3R3-S5 (custom) Affected: 19.4 , < 19.4R2-S6, 19.4R3-S6 (custom) Affected: 20.1R1 , < 20.1* (custom) Affected: 20.2 , < 20.2R3-S3 (custom) Affected: 20.3 , < 20.3R3-S2 (custom) Affected: 20.4 , < 20.4R3-S1 (custom) Affected: 21.1 , < 21.1R3-S3 (custom) Affected: 21.2 , < 21.2R2-S1, 21.2R3 (custom) |
|
| Juniper Networks | Junos OS Evolved |
Affected:
unspecified , < 20.4R3-S4-EVO
(custom)
Affected: 21.1-EVO , < 21.1R3-S2-EVO (custom) Affected: 21.2-EVO , < 21.2R3-EVO (custom) Affected: 21.3-EVO , < 21.3R2-EVO (custom) |
Date Public
2022-10-12 00:00
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CVE-2022-22533 (GCVE-0-2022-22533)
Vulnerability from cvelistv5 – Published: 2022-02-09 22:05 – Updated: 2024-08-03 03:14
VLAI
Summary
Due to improper error handling in SAP NetWeaver Application Server Java - versions KRNL64NUC 7.22, 7.22EXT, 7.49, KRNL64UC, 7.22, 7.22EXT, 7.49, 7.53, KERNEL 7.22, 7.49, 7.53, an attacker could submit multiple HTTP server requests resulting in errors, such that it consumes the memory buffer. This could result in system shutdown rendering the system unavailable.
Severity
No CVSS data available.
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://launchpad.support.sap.com/#/notes/3123427 | x_refsource_MISC |
| https://www.sap.com/documents/2022/02/fa865ea4-16… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SAP SE | SAP NetWeaver Application Server Java |
Affected:
KRNL64NUC 7.22
Affected: 7.22EXT Affected: 7.49 Affected: KRNL64UC Affected: 7.22 Affected: 7.53 Affected: KERNEL 7.22 |
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CVE-2022-2289 (GCVE-0-2022-2289)
Vulnerability from cvelistv5 – Published: 2022-07-03 00:00 – Updated: 2024-08-03 00:32
VLAI
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.
Severity
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/7447d2ea-db5b-4883-adf… | |
| https://github.com/vim/vim/commit/c5274dd12224421… | |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| 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-2022-2318 (GCVE-0-2022-2318)
Vulnerability from cvelistv5 – Published: 2022-07-06 00:00 – Updated: 2024-08-03 00:32
VLAI
Summary
There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges.
Severity
No CVSS data available.
CWE
Assigner
References
4 references
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
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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CVE-2022-2345 (GCVE-0-2022-2345)
Vulnerability from cvelistv5 – Published: 2022-07-08 00:00 – Updated: 2024-08-03 00:32
VLAI
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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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.