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CVE-2022-48799 is a list-corruption vulnerability in the Linux kernel perf subsystem. During perf_cgroup_switch(), the kernel iterates the cgroup CPU-context list using an iterator that is invalidated when the scheduling path disables a perf cgroup event and removes its entry from that same list. The affected call chain reaches perf_cgroup_event_disable() through CPU context scheduling and pinned-event merge handling. Replacing the ordinary list iterator with a removal-safe iterator prevents corruption when an entry is deleted during traversal.
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Linux kernel perf issue involving list corruption in perf_cgroup_switch().
Linux kernel perf subsystem flaw that can cause list corruption in perf_cgroup_switch().
Linux kernel performance-event subsystem flaw that can cause list corruption in perf_cgroup_switch().
A Linux kernel perf subsystem list-corruption issue in perf_cgroup_switch().
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Cross-references every affected SKU, including bundled OEM variants.
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