{"cve":"CVE-2012-4542","nvd":{"published":"2013-02-28T19:55:01.107","modified":"2026-06-16T23:45:17.883","status":"Modified","description":"block/scsi_ioctl.c in the Linux kernel through 3.8 does not properly consider the SCSI device class during authorization of SCSI commands, which allows local users to bypass intended access restrictions via an SG_IO ioctl call that leverages overlapping opcodes.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://marc.info/?l=linux-kernel&m=135903967015813&w=2","http://marc.info/?l=linux-kernel&m=135904012416042&w=2","http://rhn.redhat.com/errata/RHSA-2013-0496.html","http://rhn.redhat.com/errata/RHSA-2013-0579.html","http://rhn.redhat.com/errata/RHSA-2013-0882.html"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T20:27:27.940201468+00:00"},"epss":{"cve":"CVE-2012-4542","score":0.00349,"percentile":0.28576,"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."]}