{"cve":"CVE-2023-52450","nvd":{"published":"2024-02-22T17:15:08.733","modified":"2026-06-17T06:42:43.627","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()\n\nGet logical socket id instead of physical id in discover_upi_topology()\nto avoid out-of-bound access on 'upi = &type->topology[nid][idx];' line\nthat leads to NULL pointer dereference in upi_fill_topology()","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4","https://git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459e","https://git.kernel.org/stable/c/bf1bf09e6b599758851457f3999779622a48d015","https://git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4","https://git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459e"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2023-52450","score":0.00257,"percentile":0.17442,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}