{"cve":"CVE-2023-52616","nvd":{"published":"2024-03-18T11:15:08.967","modified":"2026-08-04T10:18:34.990","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: lib/mpi - Fix unexpected pointer access in mpi_ec_init\n\nWhen the mpi_ec_ctx structure is initialized, some fields are not\ncleared, causing a crash when referencing the field when the\nstructure was released. Initially, this issue was ignored because\nmemory for mpi_ec_ctx is allocated with the __GFP_ZERO flag.\nFor example, this error will be triggered when calculating the\nZa value for SM2 separately.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/0c3687822259a7628c85cd21a3445cbe3c367165","https://git.kernel.org/stable/c/2bb86817b33c9d704e127f92b838035a72c315b6","https://git.kernel.org/stable/c/7abdfd45a650c714d5ebab564bb1b988f14d9b49","https://git.kernel.org/stable/c/7ebf812b7019fd2d4d5a7ca45ef4bf3a6f4bda0a","https://git.kernel.org/stable/c/ba3c5574203034781ac4231acf117da917efcd2a"],"products":["debian:debian_linux","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2023-52616","score":0.00242,"percentile":0.15381,"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."]}