CVE-2024-50127 - CVE House
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Status published Unknown CVE-2024-50127

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

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
a3d43c0d56f1b94e74963a2fbadfb70126d92213, 5.2, 0, 5.4.285, 5.10.229, 5.15.170, 6.1.115, 6.6.59, 6.11.6, 6.12

Timeline

Official Publish: November 5th, 2024
Last Modified: May 12th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.