{"cve":"CVE-2015-6526","nvd":{"published":"2015-08-31T20:59:07.357","modified":"2026-06-17T00:31:00.963","status":"Modified","description":"The perf_callchain_user_64 function in arch/powerpc/perf/callchain.c in the Linux kernel before 4.0.2 on ppc64 platforms allows local users to cause a denial of service (infinite loop) via a deep 64-bit userspace backtrace.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9a5cbce421a283e6aea3c4007f141735bf9da8c3","http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2","http://www.openwall.com/lists/oss-security/2015/08/18/4","http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html","http://www.securityfocus.com/bid/76401"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T20:37:45.466985407+00:00"},"epss":{"cve":"CVE-2015-6526","score":0.00393,"percentile":0.33485,"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."]}