vulnerability
Oracle Linux: CVE-2024-43830: ELSA-2024-12780: Unbreakable Enterprise kernel security update (IMPORTANT) (Multiple Advisories)
Severity | CVSS | Published | Added | Modified |
---|---|---|---|---|
6 | (AV:L/AC:L/Au:S/C:P/I:P/A:C) | Aug 17, 2024 | Oct 16, 2024 | May 26, 2025 |
Severity
6
CVSS
(AV:L/AC:L/Au:S/C:P/I:P/A:C)
Published
Aug 17, 2024
Added
Oct 16, 2024
Modified
May 26, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
leds: trigger: Unregister sysfs attributes before calling deactivate()
Triggers which have trigger specific sysfs attributes typically store
related data in trigger-data allocated by the activate() callback and
freed by the deactivate() callback.
Calling device_remove_groups() after calling deactivate() leaves a window
where the sysfs attributes show/store functions could be called after
deactivation and then operate on the just freed trigger-data.
Move the device_remove_groups() call to before deactivate() to close
this race window.
This also makes the deactivation path properly do things in reverse order
of the activation path which calls the activate() callback before calling
device_add_groups().
leds: trigger: Unregister sysfs attributes before calling deactivate()
Triggers which have trigger specific sysfs attributes typically store
related data in trigger-data allocated by the activate() callback and
freed by the deactivate() callback.
Calling device_remove_groups() after calling deactivate() leaves a window
where the sysfs attributes show/store functions could be called after
deactivation and then operate on the just freed trigger-data.
Move the device_remove_groups() call to before deactivate() to close
this race window.
This also makes the deactivation path properly do things in reverse order
of the activation path which calls the activate() callback before calling
device_add_groups().
Solution(s)
oracle-linux-upgrade-kerneloracle-linux-upgrade-kernel-uek

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