{"cve":"CVE-2026-72401","nvd":{"published":"2026-08-15T06:22:13.687","modified":"2026-08-17T06:19:06.777","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix insn_aux_data leak on verifier err_free_env path\n\nWhen bpf_check() allocates env->insn_aux_data successfully but later\nfails to allocate env->succ, it jumps directly to err_free_env.\n\nThe existing vfree(env->insn_aux_data) sits before the err_free_env\nlabel, so that direct jump bypasses it and leaks insn_aux_data.\n\nMove vfree(env->insn_aux_data) into err_free_env so all early and late\nexit paths release it consistently.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/26490a375cb9be9bac96b5171610fd85ca6c2305","https://git.kernel.org/stable/c/d8df91756890de058646597367507b239a6d2025"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:48:17.459049833+00:00"},"epss":{"cve":"CVE-2026-72401","score":0.0021,"percentile":0.11204,"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."]}