{"cve":"CVE-2026-72223","nvd":{"published":"2026-08-15T06:21:41.233","modified":"2026-08-17T06:18:23.437","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvdimm/btt: Free arena sub-allocations on discover_arenas() error path\n\nMemory allocated by btt_freelist_init(), btt_rtt_init(), and\nbtt_maplocks_init() is not freed on some discover_arenas() error\npaths. This leaks memory when arena discovery fails.\n\nAdd the missing kfree() calls to release the allocations before\nreturning an error.\n\n[ as: commit message and log edits ]","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/0b0d9404951aacc9717aa61e77af4a6e9e8f8249","https://git.kernel.org/stable/c/13fe4cd9ddd0aacb7777812328be525a11ea3fea","https://git.kernel.org/stable/c/2d0364937550a7b3e2592629c2a68753ac020b28","https://git.kernel.org/stable/c/30d490bb2c4cd220e7dedf862ab6a09eb5dcbad5","https://git.kernel.org/stable/c/7563f69caa9143a491d5f26e563255c734751545"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:48:17.459049833+00:00"},"epss":{"cve":"CVE-2026-72223","score":0.0022,"percentile":0.1252,"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."]}