{"cve":"CVE-2009-4138","nvd":{"published":"2009-12-16T19:30:01.157","modified":"2026-06-16T23:13:06.600","status":"Modified","description":"drivers/firewire/ohci.c in the Linux kernel before 2.6.32-git9, when packet-per-buffer mode is used, allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unknown other impact via an unspecified ioctl associated with receiving an ISO packet that contains zero in the payload-length field.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8c0c0cc2d9f4c523fde04bdfe41e4380dec8ee54","http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html","http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html","http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html","http://patchwork.kernel.org/patch/66747/"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-4138","score":0.00361,"percentile":0.29909,"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."]}