{"cve":"CVE-2011-1171","nvd":{"published":"2011-06-22T22:55:01.717","modified":"2026-06-16T23:28:52.020","status":"Modified","description":"net/ipv4/netfilter/ip_tables.c in the IPv4 implementation in the Linux kernel before 2.6.39 does not place the expected '\\0' character at the end of string data in the values of certain structure members, which allows local users to obtain potentially sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability to issue a crafted request, and then reading the argument to the resulting modprobe process.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-200"],"references":["http://downloads.avaya.com/css/P8/documents/100145416","http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=78b79876761b86653df89c48a7010b5cbd41a84a","http://marc.info/?l=linux-kernel&m=129978077609894&w=2","http://rhn.redhat.com/errata/RHSA-2011-0833.html","http://securityreason.com/securityalert/8278"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-1171","score":0.00376,"percentile":0.31591,"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."]}