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4 vulnerabilities by crossbeam_project
CVE-2022-23639 (GCVE-0-2022-23639)
Vulnerability from cvelistv5 – Published: 2022-02-15 18:20 – Updated: 2025-04-22 18:22
VLAI
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-2021-32810 (GCVE-0-2021-32810)
Vulnerability from cvelistv5 – Published: 2021-08-02 18:35 – Updated: 2024-08-03 23:33
VLAI
Title
Data race in crossbeam-deque
Summary
crossbeam-deque is a package of work-stealing deques for building task schedulers when programming in Rust. In versions prior to 0.7.4 and 0.8.0, the result of the race condition is that one or more tasks in the worker queue can be popped twice instead of other tasks that are forgotten and never popped. If tasks are allocated on the heap, this can cause double free and a memory leak. If not, this still can cause a logical bug. Crates using `Stealer::steal`, `Stealer::steal_batch`, or `Stealer::steal_batch_and_pop` are affected by this issue. This has been fixed in crossbeam-deque 0.8.1 and 0.7.4.
Severity
9.8 (Critical)
CWE
- CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Assigner
References
15 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| crossbeam-rs | crossbeam |
Affected:
< 0.7.4
Affected: >= 0.8.0, < 0.8.1 |
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CVE-2020-15254 (GCVE-0-2020-15254)
Vulnerability from cvelistv5 – Published: 2020-10-16 17:05 – Updated: 2024-08-04 13:08
VLAI
Title
Undefined Behavior in bounded Crossbeam channel
Summary
Crossbeam is a set of tools for concurrent programming. In crossbeam-channel before version 0.4.4, the bounded channel incorrectly assumes that `Vec::from_iter` has allocated capacity that same as the number of iterator elements. `Vec::from_iter` does not actually guarantee that and may allocate extra memory. The destructor of the `bounded` channel reconstructs `Vec` from the raw pointer based on the incorrect assumes described above. This is unsound and causing deallocation with the incorrect capacity when `Vec::from_iter` has allocated different sizes with the number of iterator elements. This has been fixed in crossbeam-channel 0.4.4.
Severity
8.1 (High)
CWE
- CWE-119 - {"CWE-119":"Improper Restriction of Operations within the Bounds of a Memory Buffer"}
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/crossbeam-rs/crossbeam/securit… | x_refsource_CONFIRM |
| https://github.com/crossbeam-rs/crossbeam/issues/539 | x_refsource_MISC |
| https://github.com/crossbeam-rs/crossbeam/pull/533 | x_refsource_MISC |
| https://github.com/RustSec/advisory-db/pull/425 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| crossbeam-rs | crossbeam |
Affected:
< 0.4.4
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CVE-2018-20996 (GCVE-0-2018-20996)
Vulnerability from cvelistv5 – Published: 2019-08-26 17:13 – Updated: 2024-08-05 12:19
VLAI
Summary
An issue was discovered in the crossbeam crate before 0.4.1 for Rust. There is a double free because of destructor mishandling.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://rustsec.org/advisories/RUSTSEC-2018-0009.html | x_refsource_MISC |
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