{"cve":"CVE-2026-80663","nvd":{"published":"2026-08-28T08:16:51.503","modified":"2026-10-16T20:18:05.317","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntools/power/x86/intel-speed-select: Harden daemon pidfile open\n\nAvoid symlink-based pidfile clobbering by opening the pidfile with\nO_NOFOLLOW and validating it with fstat() before locking/writing.\n\nThe daemon currently uses a fixed pidfile path under /tmp. A local\nunprivileged user can pre-create a symlink at that path and cause a\nroot-run daemon instance to write into an attacker-chosen file.","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:H/A:H","score":7.1},"cwes":[],"references":["https://git.kernel.org/stable/c/19ffeb30fdfce63f8d6aca71bcdddb3f69d46278","https://git.kernel.org/stable/c/607af438e6430893a822964c841a1994b33acccc","https://git.kernel.org/stable/c/72a07abc6b9046f07a08bba353cad7667bcc9dce","https://git.kernel.org/stable/c/905493a6338c82a70da16f86e0a6215db5a3d73d","https://git.kernel.org/stable/c/db938eb9a3c1317596c28e94413b33426508d51b"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:50:50.842544443+00:00"},"epss":{"cve":"CVE-2026-80663","score":0.00126,"percentile":0.02272,"date":"2026-10-25"},"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."]}