{"cve":"CVE-2009-1630","nvd":{"published":"2009-05-14T17:30:00.780","modified":"2026-06-16T23:07:40.473","status":"Modified","description":"The nfs_permission function in fs/nfs/dir.c in the NFS client implementation in the Linux kernel 2.6.29.3 and earlier, when atomic_open is available, does not check execute (aka EXEC or MAY_EXEC) permission bits, which allows local users to bypass permissions and execute files, as demonstrated by files on an NFSv4 fileserver.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://article.gmane.org/gmane.linux.nfs/26592","http://bugzilla.linux-nfs.org/show_bug.cgi?id=131","http://linux-nfs.org/pipermail/nfsv4/2006-November/005313.html","http://linux-nfs.org/pipermail/nfsv4/2006-November/005323.html","http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html"],"products":["canonical:ubuntu_linux","debian:debian_linux","linux:linux_kernel","opensuse:opensuse","vmware:esx"],"source":"nvd","synced_at":"2026-10-19T19:54:07.895733559+00:00"},"epss":{"cve":"CVE-2009-1630","score":0.00485,"percentile":0.41769,"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."]}