{"cve":"CVE-2025-38546","nvd":{"published":"2025-08-16T12:15:30.620","modified":"2026-06-17T09:17:05.023","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\natm: clip: Fix memory leak of struct clip_vcc.\n\nioctl(ATMARP_MKIP) allocates struct clip_vcc and set it to\nvcc->user_back.\n\nThe code assumes that vcc_destroy_socket() passes NULL skb\nto vcc->push() when the socket is close()d, and then clip_push()\nfrees clip_vcc.\n\nHowever, ioctl(ATMARPD_CTRL) sets NULL to vcc->push() in\natm_init_atmarp(), resulting in memory leak.\n\nLet's serialise two ioctl() by lock_sock() and check vcc->push()\nin atm_init_atmarp() to prevent memleak.","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-401"],"references":["https://git.kernel.org/stable/c/0c17ff462d98c997d707ee5cf4e4a9b1b52b9d90","https://git.kernel.org/stable/c/1c075e88d5859a2c6b43b27e0e46fb281cef8039","https://git.kernel.org/stable/c/1fb9fb5a4b5cec2d56e26525ef8c519de858fa60","https://git.kernel.org/stable/c/2fb37ab3226606cbfc9b2b6f9e301b0b735734c5","https://git.kernel.org/stable/c/62dba28275a9a3104d4e33595c7b3328d4032d8d"],"products":["debian:debian_linux","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:06:45.861874017+00:00"},"epss":{"cve":"CVE-2025-38546","score":0.0017,"percentile":0.06369,"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."]}