{"cve":"CVE-2023-52997","nvd":{"published":"2025-03-27T17:15:48.433","modified":"2026-06-17T06:44:05.067","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: prevent potential spectre v1 gadget in ip_metrics_convert()\n\nif (!type)\n\t\tcontinue;\n\tif (type > RTAX_MAX)\n\t\treturn -EINVAL;\n\t...\n\tmetrics[type - 1] = val;\n\n@type being used as an array index, we need to prevent\ncpu speculation or risk leaking kernel memory content.","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":[],"references":["https://git.kernel.org/stable/c/1d1d63b612801b3f0a39b7d4467cad0abd60e5c8","https://git.kernel.org/stable/c/34c6142f0df9cd75cba5a7aa9df0960d2854b415","https://git.kernel.org/stable/c/6850fe301d015a7d2012d1de8caf43dafb7cc2f6","https://git.kernel.org/stable/c/746db9ec1e672eee13965625ddac0d97e16fa20c","https://git.kernel.org/stable/c/d50e7348b44f1e046121ff5be01b7fb6978a1149"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:00:28.034033815+00:00"},"epss":{"cve":"CVE-2023-52997","score":0.00269,"percentile":0.19177,"date":"2026-11-01"},"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."]}