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Unrated severityNVD Advisory· Published Feb 22, 2024· Updated May 4, 2025

perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()

CVE-2023-52450

Description

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

perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()

Get logical socket id instead of physical id in discover_upi_topology() to avoid out-of-bound access on 'upi = &type->topology[nid][idx];' line that leads to NULL pointer dereference in upi_fill_topology()

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Affected products

105

Patches

Vulnerability mechanics

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