CVE-2024-42139
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: ice: Fix improper extts handling Extts events are disabled and enabled by the application ts2phc. However, in case where the driver is removed when the application is running, a specific extts event remains enabled and can cause a kernel crash. As a side effect, when the driver is reloaded and application is started again, remaining extts event for the channel from a previous run will keep firing and the message "extts on unexpected channel" might be printed to the user. To avoid that, extts events shall be disabled when PTP is released.
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Modified
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2024-07-30 08:15:05.757000
Last modified
2026-10-30 13:17:32.107000
View original CVE JSON
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-07-30T08:15:05.757",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: Fix improper extts handling\n\nExtts events are disabled and enabled by the application ts2phc.\nHowever, in case where the driver is removed when the application is\nrunning, a specific extts event remains enabled and can cause a kernel\ncrash.\nAs a side effect, when the driver is reloaded and application is started\nagain, remaining extts event for the channel from a previous run will\nkeep firing and the message \"extts on unexpected channel\" might be\nprinted to the user.\n\nTo avoid that, extts events shall be disabled when PTP is released."
},
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ice: corrige el manejo incorrecto de extts. Los eventos extts están deshabilitados y habilitados por la aplicación ts2phc. Sin embargo, en caso de que se elimine el controlador cuando la aplicación se está ejecutando, un evento extts específico permanece habilitado y puede provocar un fallo del kernel. Como efecto secundario, cuando se recarga el controlador y se inicia nuevamente la aplicación, el evento de extts restante para el canal de una ejecución anterior seguirá activando y es posible que se imprima al usuario el mensaje \"extts en un canal inesperado\". Para evitar eso, los eventos extts se desactivarán cuando se libere PTP."
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