{"cve":"CVE-2011-4131","nvd":{"published":"2012-05-17T11:00:33.007","modified":"2026-06-16T23:34:28.973","status":"Modified","description":"The NFSv4 implementation in the Linux kernel before 3.2.2 does not properly handle bitmap sizes in GETACL replies, which allows remote NFS servers to cause a denial of service (OOPS) by sending an excessive number of bitmap words.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189"],"references":["http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bf118a342f10dafe44b14451a1392c3254629a1f","http://lists.fedoraproject.org/pipermail/package-announce/2012-May/081280.html","http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html","http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html","http://rhn.redhat.com/errata/RHSA-2012-0862.html"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T20:24:00.973572543+00:00"},"epss":{"cve":"CVE-2011-4131","score":0.00767,"percentile":0.55526,"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."]}