CVE-2025-55159

slab is a pre-allocated storage for a uniform data type. In version 0.4.10, the get_disjoint_mut method incorrectly checked if indices were within the slab's capacity instead of its length, allowing access to uninitialized memory. This could lead to undefined behavior or potential crashes. This has been fixed in slab 0.4.11. A workaround for this issue involves to avoid using get_disjoint_mut with indices that might be beyond the slab's actual length.

CVSS

No CVSS.

References

Link	Resource
https://github.com/tokio-rs/slab/commit/2d65c514bc964b192bab212ddf3c1fcea4ae96b8
https://github.com/tokio-rs/slab/pull/152
https://github.com/tokio-rs/slab/security/advisories/GHSA-qx2v-8332-m4fv

Configurations

No configuration.

History

12 Aug 2025, 14:25

Type	Values Removed	Values Added
Summary		(es) slab es un almacenamiento preasignado para un tipo de dato uniforme. En la versión 0.4.10, el método get_disjoint_mut verificaba incorrectamente si los índices estaban dentro de la capacidad del slab en lugar de su longitud, lo que permitía acceder a memoria no inicializada. Esto podía provocar un comportamiento indefinido o posibles fallos. Esto se ha corregido en slab 0.4.11. Una solución alternativa consiste en evitar el uso de get_disjoint_mut con índices que puedan superar la longitud real del slab.

11 Aug 2025, 23:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-08-11 23:15

Updated : 2025-08-12 14:25

NVD link : CVE-2025-55159

Mitre link : CVE-2025-55159

CVE.ORG link : CVE-2025-55159

JSON object : View

Products Affected

No product.

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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