VYPR
High severity7.8NVD Advisory· Published Nov 5, 2024· Updated Jun 17, 2026

CVE-2024-50127

CVE-2024-50127

Description

In the Linux kernel, the following vulnerability has been resolved:

net: sched: fix use-after-free in taprio_change()

In 'taprio_change()', 'admin' pointer may become dangling due to sched switch / removal caused by 'advance_sched()', and critical section protected by 'q->current_entry_lock' is too small to prevent from such a scenario (which causes use-after-free detected by KASAN). Fix this by prefer 'rcu_replace_pointer()' over 'rcu_assign_pointer()' to update 'admin' immediately before an attempt to schedule freeing.

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Affected products

258

Patches

Vulnerability mechanics

References

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