{"cve":"CVE-2011-4611","nvd":{"published":"2012-05-17T11:00:35.367","modified":"2026-06-16T23:35:08.503","status":"Modified","description":"Integer overflow in the perf_event_interrupt function in arch/powerpc/kernel/perf_event.c in the Linux kernel before 2.6.39 on powerpc platforms allows local users to cause a denial of service (unhandled performance monitor exception) via vectors that trigger certain outcomes of performance events.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189"],"references":["http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39","http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0837e3242c73566fc1c0196b4ec61779c25ffc93","http://www.openwall.com/lists/oss-security/2011/12/15/2","https://bugzilla.redhat.com/show_bug.cgi?id=767914","https://github.com/torvalds/linux/commit/0837e3242c73566fc1c0196b4ec61779c25ffc93"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T20:24:00.973572543+00:00"},"epss":{"cve":"CVE-2011-4611","score":0.00397,"percentile":0.33911,"date":"2026-11-01"},"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."]}