{"cve":"CVE-2015-2666","nvd":{"published":"2015-05-27T10:59:04.813","modified":"2026-06-17T00:24:31.457","status":"Modified","description":"Stack-based buffer overflow in the get_matching_model_microcode function in arch/x86/kernel/cpu/microcode/intel_early.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to the initrd.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4","http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153329.html","http://rhn.redhat.com/errata/RHSA-2015-1534.html","http://www.openwall.com/lists/oss-security/2015/03/20/18","http://www.securitytracker.com/id/1032414"],"products":["fedoraproject:fedora","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T20:36:40.444340523+00:00"},"epss":{"cve":"CVE-2015-2666","score":0.0042,"percentile":0.36313,"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."]}