{"cve":"CVE-2022-49451","nvd":{"published":"2025-02-26T07:01:21.490","modified":"2026-08-04T10:17:48.180","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Fix list protocols enumeration in the base protocol\n\nWhile enumerating protocols implemented by the SCMI platform using\nBASE_DISCOVER_LIST_PROTOCOLS, the number of returned protocols is\ncurrently validated in an improper way since the check employs a sum\nbetween unsigned integers that could overflow and cause the check itself\nto be silently bypassed if the returned value 'loop_num_ret' is big\nenough.\n\nFix the validation avoiding the addition.","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-190"],"references":["https://git.kernel.org/stable/c/1052f22e127d0c34c3387bb389424ba1c61491ff","https://git.kernel.org/stable/c/2ccfcd7a09c826516edcfe464b05071961aada3f","https://git.kernel.org/stable/c/444a2d27fe9867d0da4b28fc45b793f32e099ab8","https://git.kernel.org/stable/c/6e7978695f4a6cbd83616b5a702b77fa2087b247","https://git.kernel.org/stable/c/8009120e0354a67068e920eb10dce532391361d0"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49451","score":0.00299,"percentile":0.22669,"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."]}