A race condition was found in the Linux kernel's watch queue due to a missing lock in pipe_resize_ring(). The specific flaw exists within the handling of pipe buffers. The issue results from the lack of proper locking when performing operations on an object. This flaw allows a local user to crash the system or escalate their privileges on the system.
Se ha encontrado una condición de carrera en la cola de vigilancia del kernel de Linux debido a una falta de bloqueo en la función pipe_resize_ring(). El fallo específico se presenta en la administración de los búferes de las tuberías. El problema es debido a una falta de bloqueo apropiado cuando son realizadas operaciones sobre un objeto. Este fallo permite a un usuario local bloquear el sistema o escalar sus privilegios en el sistema.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | LOCAL |
|---|---|
| Attack Complexity | HIGH |
| Privileges Required | LOW |
| User Interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality Impact | HIGH |
| Integrity Impact | HIGH |
| Availability Impact | HIGH |
| Source | Type | Description |
|---|---|---|
| [email protected] | Secondary |
en
CWE-667
|
| [email protected] | Primary |
en
CWE-362
en
CWE-667
|
| Vendor | Product | Version | Update | Type |
|---|---|---|---|---|
| linux | linux_kernel | * | <built-in method update of dict object at 0x7fd2a2df8f00> | Operating System |
| linux | linux_kernel | * | <built-in method update of dict object at 0x7fd36a7edb40> | Operating System |
| linux | linux_kernel | * | <built-in method update of dict object at 0x7fd341541b80> | Operating System |
| linux | linux_kernel | * | <built-in method update of dict object at 0x7fd3408918c0> | Operating System |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| Yes | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| Yes | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| Yes | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |