{"cve":"CVE-2012-3520","nvd":{"published":"2012-10-03T11:02:57.143","modified":"2026-06-16T23:43:23.830","status":"Modified","description":"The Netlink implementation in the Linux kernel before 3.2.30 does not properly handle messages that lack SCM_CREDENTIALS data, which might allow local users to spoof Netlink communication via a crafted message, as demonstrated by a message to (1) Avahi or (2) NetworkManager.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-287"],"references":["http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea","http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00005.html","http://lists.opensuse.org/opensuse-updates/2013-02/msg00018.html","http://secunia.com/advisories/50848","http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.30"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T20:25:53.526315492+00:00"},"epss":{"cve":"CVE-2012-3520","score":0.00429,"percentile":0.37128,"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."]}