{"id":"CVE-2025-38190","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-38190","generatedAt":"2026-10-28T06:14:47.598Z","title":"In the Linux kernel, the following vulnerability has been resolved: atm: Revert atm_account_tx() if copy_from_iter_full() fails.","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~","published":"2025-07-04T14:15:26.000Z","lastModified":"2026-06-17T09:16:21.000Z","status":"Analyzed","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["linux/linux kernel","debian/debian linux"],"epss":{"score":0.00199,"percentile":0.09621,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.20%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/2252c539c43f9a1431a7e8b34e3c18e9dd77a96d","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/287b4f085d2ca3375cf1ee672af27410c64777e8","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3902205eadf35db59dbc2186c2a98b9e6182efa5","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3d828519bd69bfcaabdd942a872679617ef06739","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5e0d00992118e234ebf29d5145c1cc920342777e","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7851263998d4269125fd6cb3fdbfc7c6db853859","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7d6bc28cfe5c8e3a279b4b4bdeed6698b2702685","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c12430edd92fd49a4800b0f3fb395b50cb16bcc1","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-38190","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}