{"cve":"CVE-2012-6538","nvd":{"published":"2013-03-15T20:55:07.413","modified":"2026-06-16T23:48:19.360","status":"Modified","description":"The copy_to_user_auth function in net/xfrm/xfrm_user.c in the Linux kernel before 3.6 uses an incorrect C library function for copying a string, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-200"],"references":["http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4c87308bdea31a7b4828a51f6156e6f721a1fcc9","http://rhn.redhat.com/errata/RHSA-2013-0744.html","http://www.openwall.com/lists/oss-security/2013/03/05/13","https://github.com/torvalds/linux/commit/4c87308bdea31a7b4828a51f6156e6f721a1fcc9","https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2"],"products":["linux:linux_kernel","redhat:enterprise_linux"],"source":"nvd","synced_at":"2026-10-19T20:27:27.940201468+00:00"},"epss":{"cve":"CVE-2012-6538","score":0.00345,"percentile":0.28054,"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."]}