{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-38190", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.993Z", "datePublished": "2025-07-04T13:37:15.054Z", "dateUpdated": "2025-11-03T17:35:14.022Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-07-28T04:14:36.366Z"}, "descriptions": [{"lang": "en", "value": "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 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atm_account_tx() if copy_from_iter_full() fails.", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T17:35:14.022Z"}}]}}

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En vcc_sendmsg(), contabilizamos skb->truesize como sk->sk_wmem_alloc mediante atm_account_tx(). Se espera que sea revertido por atm_pop_raw(), posteriormente llamado por vcc->dev->ops->send(vcc, skb). Sin embargo, vcc_sendmsg() no realiza la misma reversi\u00f3n cuando copy_from_iter_full() falla, y entonces se filtrar\u00e1 un socket. Factoricemos la parte de la reversi\u00f3n como atm_return_tx() y la llamemos en la ruta de error. Tenga en cuenta que la operaci\u00f3n sk_wmem_alloc correspondiente se puede encontrar en alloc_tx() a partir de la confirmaci\u00f3n culpable. $ git culpa -L:alloc_tx net/atm/common.c c55fa3ccccc2c~"}], "id": "CVE-2025-38190", "lastModified": "2025-12-18T17:24:15.413", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-07-04T14:15:26.017", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2252c539c43f9a1431a7e8b34e3c18e9dd77a96d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/287b4f085d2ca3375cf1ee672af27410c64777e8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3902205eadf35db59dbc2186c2a98b9e6182efa5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3d828519bd69bfcaabdd942a872679617ef06739"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5e0d00992118e234ebf29d5145c1cc920342777e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7851263998d4269125fd6cb3fdbfc7c6db853859"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7d6bc28cfe5c8e3a279b4b4bdeed6698b2702685"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c12430edd92fd49a4800b0f3fb395b50cb16bcc1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: atm: Revert atm_account_tx() if copy_from_iter_full() fails.", "id": "2376395", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2376395"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\natm: Revert atm_account_tx() if copy_from_iter_full() fails.\nIn vcc_sendmsg(), we account skb->truesize to sk->sk_wmem_alloc by\natm_account_tx().\nIt is expected to be reverted by atm_pop_raw() later called by\nvcc->dev->ops->send(vcc, skb).\nHowever, vcc_sendmsg() misses the same revert when copy_from_iter_full()\nfails, and then we will leak a socket.\nLet's factorise the revert part as atm_return_tx() and call it in\nthe failure path.\nNote that the corresponding sk_wmem_alloc operation can be found in\nalloc_tx() as of the blamed commit.\n$ git blame -L:alloc_tx net/atm/common.c c55fa3cccbc2c~"], "name": "CVE-2025-38190", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-07-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38190\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38190\nhttps://lore.kernel.org/linux-cve-announce/2025070414-CVE-2025-38190-5b22@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-07-13T21:47:50.503530+00:00", "updated": "2025-07-13T21:47:50.503613+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}