In the Linux kernel, the following vulnerability has been resolved: media: intel/ipu6: do not handle interrupts when device is disabled Some IPU6 devices have shared interrupts. We need to handle properly case when interrupt is triggered from other device on shared irq line and IPU6 itself disabled. In such case we get 0xffffffff from ISR_STATUS register and handle all irq's cases, for what we are not not prepared and usually hang the whole system. To avoid the issue use pm_runtime_get_if_active() to check if the device is enabled and prevent suspending it when we handle irq until the end of irq. Additionally use synchronize_irq() in suspend
History

Thu, 09 Jan 2025 14:00:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Low


Sat, 28 Dec 2024 10:00:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: media: intel/ipu6: do not handle interrupts when device is disabled Some IPU6 devices have shared interrupts. We need to handle properly case when interrupt is triggered from other device on shared irq line and IPU6 itself disabled. In such case we get 0xffffffff from ISR_STATUS register and handle all irq's cases, for what we are not not prepared and usually hang the whole system. To avoid the issue use pm_runtime_get_if_active() to check if the device is enabled and prevent suspending it when we handle irq until the end of irq. Additionally use synchronize_irq() in suspend
Title media: intel/ipu6: do not handle interrupts when device is disabled
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-12-28T09:46:08.936Z

Updated: 2025-01-20T06:25:48.642Z

Reserved: 2024-12-27T15:00:39.846Z

Link: CVE-2024-56680

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2024-12-28T10:15:09.610

Modified: 2024-12-28T10:15:09.610

Link: CVE-2024-56680

cve-icon Redhat

Severity : Low

Publid Date: 2024-12-28T00:00:00Z

Links: CVE-2024-56680 - Bugzilla