{"cve":"CVE-2020-12652","nvd":{"published":"2020-05-05T05:15:11.190","modified":"2026-06-17T02:52:04.560","status":"Modified","description":"The __mptctl_ioctl function in drivers/message/fusion/mptctl.c in the Linux kernel before 5.4.14 allows local users to hold an incorrect lock during the ioctl operation and trigger a race condition, i.e., a \"double fetch\" vulnerability, aka CID-28d76df18f0a. NOTE: the vendor states \"The security impact of this bug is not as bad as it could have been because these operations are all privileged and root already has enormous destructive power.\"","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","score":4.1},"cwes":["CWE-362"],"references":["http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html","https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.14","https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=28d76df18f0ad5bcf5fa48510b225f0ed262a99b","https://github.com/torvalds/linux/commit/28d76df18f0ad5bcf5fa48510b225f0ed262a99b","https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:04:18.695612450+00:00"},"epss":{"cve":"CVE-2020-12652","score":0.00328,"percentile":0.25931,"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."]}