{"cve":"CVE-2025-38190","nvd":{"published":"2025-07-04T14:15:26.017","modified":"2026-06-17T09:16:21.303","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\natm: Revert atm_account_tx() if copy_from_iter_full() fails.\n\nIn vcc_sendmsg(), we account skb->truesize to sk->sk_wmem_alloc by\natm_account_tx().\n\nIt is expected to be reverted by atm_pop_raw() later called by\nvcc->dev->ops->send(vcc, skb).\n\nHowever, vcc_sendmsg() misses the same revert when copy_from_iter_full()\nfails, and then we will leak a socket.\n\nLet's factorise the revert part as atm_return_tx() and call it in\nthe failure path.\n\nNote that the corresponding sk_wmem_alloc operation can be found in\nalloc_tx() as of the blamed commit.\n\n  $ git blame -L:alloc_tx net/atm/common.c c55fa3cccbc2c~","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/2252c539c43f9a1431a7e8b34e3c18e9dd77a96d","https://git.kernel.org/stable/c/287b4f085d2ca3375cf1ee672af27410c64777e8","https://git.kernel.org/stable/c/3902205eadf35db59dbc2186c2a98b9e6182efa5","https://git.kernel.org/stable/c/3d828519bd69bfcaabdd942a872679617ef06739","https://git.kernel.org/stable/c/5e0d00992118e234ebf29d5145c1cc920342777e"],"products":["debian:debian_linux","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:04:28.436527499+00:00"},"epss":{"cve":"CVE-2025-38190","score":0.00199,"percentile":0.09749,"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."]}