{"cve":"CVE-2009-4005","nvd":{"published":"2009-11-20T02:30:01.517","modified":"2026-06-16T23:12:48.507","status":"Modified","description":"The collect_rx_frame function in drivers/isdn/hisax/hfc_usb.c in the Linux kernel before 2.6.32-rc7 allows attackers to have an unspecified impact via a crafted HDLC packet that arrives over ISDN and triggers a buffer under-read.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=286e633ef0ff5bb63c07b4516665da8004966fec","http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html","http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html","http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html","http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-4005","score":0.0042,"percentile":0.36373,"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."]}