{"cve":"CVE-2024-47668","nvd":{"published":"2024-10-09T15:15:15.513","modified":"2026-08-04T11:20:37.217","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nlib/generic-radix-tree.c: Fix rare race in __genradix_ptr_alloc()\n\nIf we need to increase the tree depth, allocate a new node, and then\nrace with another thread that increased the tree depth before us, we'll\nstill have a preallocated node that might be used later.\n\nIf we then use that node for a new non-root node, it'll still have a\npointer to the old root instead of being zeroed - fix this by zeroing it\nin the cmpxchg failure path.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","score":4.7},"cwes":["CWE-362"],"references":["https://git.kernel.org/stable/c/0f078f8ca93b28a34e20bd050f12cd4efeee7c0f","https://git.kernel.org/stable/c/0f27f4f445390cb7f73d4209cb2bf32834dc53da","https://git.kernel.org/stable/c/99418ec776a39609f50934720419e0b464ca2283","https://git.kernel.org/stable/c/ad5ee9feebc2eb8cfc76ed74a2d6e55343b0e169","https://git.kernel.org/stable/c/b2f11c6f3e1fc60742673b8675c95b78447f3dae"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:55:31.737901711+00:00"},"epss":{"cve":"CVE-2024-47668","score":0.00169,"percentile":0.06298,"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."]}