{"cve":"CVE-2025-21748","nvd":{"published":"2025-02-27T03:15:15.440","modified":"2026-07-30T06:21:27.943","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix integer overflows on 32 bit systems\n\nOn 32bit systems the addition operations in ipc_msg_alloc() can\npotentially overflow leading to memory corruption.\nAdd bounds checking using KSMBD_IPC_MAX_PAYLOAD to avoid overflow.","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":["CWE-190"],"references":["https://git.kernel.org/stable/c/760568c1f62ea874e8fb492f9cfa4f47b4b8391e","https://git.kernel.org/stable/c/82f59d64e6297f270311b16b5dcf65be406d1ea3","https://git.kernel.org/stable/c/aab98e2dbd648510f8f51b83fbf4721206ccae45","https://git.kernel.org/stable/c/b4b902737746c490258de5cb55cab39e79927a67","https://git.kernel.org/stable/c/ecb9947fa7c99a77b04d43404c6988a0d326e4a0"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2025-21748","score":0.00606,"percentile":0.48982,"date":"2026-11-01"},"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."]}