Common Weakness Enumeration
CWE-362
Allowed-with-ReviewConcurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Abstraction: Class · Status: Draft
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
2900 vulnerabilities reference this CWE, most recent first.
CVE-2022-24751 (GCVE-0-2022-24751)
Vulnerability from cvelistv5 – Published: 2022-03-16 13:30 – Updated: 2025-04-23 18:53
VLAI
EPSS
VEX
Title
Race condition in Zulip
Summary
Zulip is an open source group chat application. Starting with version 4.0 and prior to version 4.11, Zulip is vulnerable to a race condition during account deactivation, where a simultaneous access by the user being deactivated may, in rare cases, allow continued access by the deactivated user. A patch is available in version 4.11 on the 4.x branch and version 5.0-rc1 on the 5.x branch. Upgrading to a fixed version will, as a side effect, deactivate any cached sessions that may have been leaked through this bug. There are currently no known workarounds.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/zulip/zulip/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/zulip/zulip/commit/62ba8e455d8… | x_refsource_MISC |
| https://github.com/zulip/zulip/commit/e6eace307ef… | x_refsource_MISC |
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CVE-2022-24114 (GCVE-0-2022-24114)
Vulnerability from cvelistv5 – Published: 2022-02-04 22:29 – Updated: 2024-09-17 03:07
VLAI
EPSS
VEX
Title
Local privilege escalation due to race condition on application startup
Summary
Local privilege escalation due to race condition on application startup. The following products are affected: Acronis Cyber Protect Home Office (macOS) before build 39605, Acronis True Image 2021 (macOS) before build 39287
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security-advisory.acronis.com/advisories/… | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Acronis | Acronis Cyber Protect Home Office |
Affected:
unspecified , < 39605
(custom)
|
|
| Acronis | Acronis True Image 2021 |
Affected:
unspecified , < 39287
(custom)
|
Date Public
2022-02-02 00:00
Credits
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CVE-2022-23639 (GCVE-0-2022-23639)
Vulnerability from cvelistv5 – Published: 2022-02-15 18:20 – Updated: 2025-04-22 18:22
VLAI
EPSS
VEX
Title
Improper Restriction of Operations within the Bounds of a Memory Buffer and Race Condition in crossbeam-utils
Summary
crossbeam-utils provides atomics, synchronization primitives, scoped threads, and other utilities for concurrent programming in Rust. crossbeam-utils prior to version 0.8.7 incorrectly assumed that the alignment of `{i,u}64` was always the same as `Atomic{I,U}64`. However, the alignment of `{i,u}64` on a 32-bit target can be smaller than `Atomic{I,U}64`. This can cause unaligned memory accesses and data race. Crates using `fetch_*` methods with `AtomicCell<{i,u}64>` are affected by this issue. 32-bit targets without `Atomic{I,U}64` and 64-bit targets are not affected by this issue. This has been fixed in crossbeam-utils 0.8.7. There are currently no known workarounds.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/crossbeam-rs/crossbeam/securit… | x_refsource_CONFIRM |
| https://github.com/crossbeam-rs/crossbeam/pull/781 | x_refsource_MISC |
| https://github.com/crossbeam-rs/crossbeam/release… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| crossbeam-rs | crossbeam |
Affected:
< 0.8.7
|
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CVE-2022-3623 (GCVE-0-2022-3623)
Vulnerability from cvelistv5 – Published: 2022-10-20 00:00 – Updated: 2025-04-15 13:25
VLAI
EPSS
VEX
Title
Linux Kernel BPF gup.c follow_page_pte race condition
Summary
A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this vulnerability is the function follow_page_pte of the file mm/gup.c of the component BPF. The manipulation leads to race condition. The attack can be launched remotely. It is recommended to apply a patch to fix this issue. The identifier VDB-211921 was assigned to this vulnerability.
Severity
5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-362 - Race Condition
Assigner
References
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CVE-2022-3567 (GCVE-0-2022-3567)
Vulnerability from cvelistv5 – Published: 2022-10-17 00:00 – Updated: 2025-04-15 13:26
VLAI
EPSS
VEX
Title
Linux Kernel IPv6 inet6_dgram_ops race condition
Summary
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Severity
4.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-362 - Race Condition
Assigner
References
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CVE-2022-3566 (GCVE-0-2022-3566)
Vulnerability from cvelistv5 – Published: 2022-10-17 00:00 – Updated: 2025-04-15 13:26
VLAI
EPSS
VEX
Title
Linux Kernel TCP tcp_setsockopt race condition
Summary
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Severity
4.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-362 - Race Condition
Assigner
References
2 references
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CVE-2022-3521 (GCVE-0-2022-3521)
Vulnerability from cvelistv5 – Published: 2022-10-16 00:00 – Updated: 2025-04-15 13:44
VLAI
EPSS
VEX
Title
Linux Kernel kcm kcmsock.c kcm_tx_work race condition
Summary
A vulnerability has been found in Linux Kernel and classified as problematic. This vulnerability affects the function kcm_tx_work of the file net/kcm/kcmsock.c of the component kcm. The manipulation leads to race condition. It is recommended to apply a patch to fix this issue. VDB-211018 is the identifier assigned to this vulnerability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-362 - Race Condition
Assigner
References
4 references
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CVE-2022-2590 (GCVE-0-2022-2590)
Vulnerability from cvelistv5 – Published: 2022-08-31 15:32 – Updated: 2024-08-03 00:39
VLAI
EPSS
VEX
Summary
A race condition was found in the way the Linux kernel's memory subsystem handled the copy-on-write (COW) breakage of private read-only shared memory mappings. This flaw allows an unprivileged, local user to gain write access to read-only memory mappings, increasing their privileges on the system.
Severity
No CVSS data available.
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.openwall.com/lists/oss-security/2022/… | x_refsource_MISC |
| https://lore.kernel.org/linux-mm/20220808073232.8… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Linux kernel |
Affected:
Linux kernel 5.16 onwards
|
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CVE-2022-1462 (GCVE-0-2022-1462)
Vulnerability from cvelistv5 – Published: 2022-05-31 00:00 – Updated: 2024-08-03 00:03
VLAI
EPSS
VEX
Summary
An out-of-bounds read flaw was found in the Linux kernel’s TeleTYpe subsystem. The issue occurs in how a user triggers a race condition using ioctls TIOCSPTLCK and TIOCGPTPEER and TIOCSTI and TCXONC with leakage of memory in the flush_to_ldisc function. This flaw allows a local user to crash the system or read unauthorized random data from memory.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
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CVE-2022-1247 (GCVE-0-2022-1247)
Vulnerability from cvelistv5 – Published: 2022-08-31 15:32 – Updated: 2024-08-02 23:55
VLAI
EPSS
VEX
Summary
An issue found in linux-kernel that leads to a race condition in rose_connect(). The rose driver uses rose_neigh->use to represent how many objects are using the rose_neigh. When a user wants to delete a rose_route via rose_ioctl(), the rose driver calls rose_del_node() and removes neighbours only if their “count” and “use” are zero.
Severity
No CVSS data available.
CWE
- CWE-362 - - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition').
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2066799 | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2022-1247 | x_refsource_MISC |
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Mitigation
Architecture and Design
In languages that support it, use synchronization primitives. Only wrap these around critical code to minimize the impact on performance.
Mitigation
Architecture and Design
Use thread-safe capabilities such as the data access abstraction in Spring.
Mitigation
Architecture and Design
- Minimize the usage of shared resources in order to remove as much complexity as possible from the control flow and to reduce the likelihood of unexpected conditions occurring.
- Additionally, this will minimize the amount of synchronization necessary and may even help to reduce the likelihood of a denial of service where an attacker may be able to repeatedly trigger a critical section (CWE-400).
Mitigation
Implementation
When using multithreading and operating on shared variables, only use thread-safe functions.
Mitigation
Implementation
Use atomic operations on shared variables. Be wary of innocent-looking constructs such as "x++". This may appear atomic at the code layer, but it is actually non-atomic at the instruction layer, since it involves a read, followed by a computation, followed by a write.
Mitigation
Implementation
Use a mutex if available, but be sure to avoid related weaknesses such as CWE-412.
Mitigation
Implementation
Avoid double-checked locking (CWE-609) and other implementation errors that arise when trying to avoid the overhead of synchronization.
Mitigation
Implementation
Disable interrupts or signals over critical parts of the code, but also make sure that the code does not go into a large or infinite loop.
Mitigation
Implementation
Use the volatile type modifier for critical variables to avoid unexpected compiler optimization or reordering. This does not necessarily solve the synchronization problem, but it can help.
Mitigation MIT-17
Architecture and Design
Operation
Strategy: Environment Hardening
Run your code using the lowest privileges that are required to accomplish the necessary tasks [REF-76]. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.
CAPEC-26: Leveraging Race Conditions
The adversary targets a race condition occurring when multiple processes access and manipulate the same resource concurrently, and the outcome of the execution depends on the particular order in which the access takes place. The adversary can leverage a race condition by "running the race", modifying the resource and modifying the normal execution flow. For instance, a race condition can occur while accessing a file: the adversary can trick the system by replacing the original file with their version and cause the system to read the malicious file.
CAPEC-29: Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions
This attack targets a race condition occurring between the time of check (state) for a resource and the time of use of a resource. A typical example is file access. The adversary can leverage a file access race condition by "running the race", meaning that they would modify the resource between the first time the target program accesses the file and the time the target program uses the file. During that period of time, the adversary could replace or modify the file, causing the application to behave unexpectedly.