{"cve":"CVE-2025-21711","nvd":{"published":"2025-02-27T02:15:14.760","modified":"2026-06-17T08:44:05.310","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/rose: prevent integer overflows in rose_setsockopt()\n\nIn case of possible unpredictably large arguments passed to\nrose_setsockopt() and multiplied by extra values on top of that,\ninteger overflows may occur.\n\nDo the safest minimum and fix these issues by checking the\ncontents of 'opt' and returning -EINVAL if they are too large. Also,\nswitch to unsigned int and remove useless check for negative 'opt'\nin ROSE_IDLE case.","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/352daa50946c3bbb662432e8daf54d6760796589","https://git.kernel.org/stable/c/4bdd449977e2364a53d0b2a5427e71beb1cd702d","https://git.kernel.org/stable/c/9bdee49ad6bbd26ab5e13cc6731e54fb1b6c1dca","https://git.kernel.org/stable/c/b8583b54455cbec2fc038fa32b6700890b369815","https://git.kernel.org/stable/c/d08f4074f9c69f7e95502587eb1b258a965ba7f0"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2025-21711","score":0.00227,"percentile":0.13479,"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."]}