{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-40093", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.163Z", "datePublished": "2025-10-30T09:48:00.807Z", "dateUpdated": "2026-05-11T21:42:22.761Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:42:22.761Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: f_ecm: Refactor bind path to use __free()\n\nAfter an bind/unbind cycle, the ecm->notify_req is left stale. If a\nsubsequent bind fails, the unified error label attempts to free this\nstale request, leading to a NULL pointer dereference when accessing\nep->ops->free_request.\n\nRefactor the error handling in the bind path to use the __free()\nautomatic cleanup mechanism."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/gadget/function/f_ecm.c"], "versions": [{"version": "da741b8c56d612b5dd26ffa31341911a5fea23ee", "lessThan": "d3745aaef19198d0c81637a7dd50ef53c4f879b7", "status": "affected", "versionType": "git"}, {"version": "da741b8c56d612b5dd26ffa31341911a5fea23ee", "lessThan": "070f341d86cf2c098d63e484a86c7c1d2696a868", "status": "affected", "versionType": "git"}, {"version": "da741b8c56d612b5dd26ffa31341911a5fea23ee", "lessThan": "15b9faf53ba8719700596e7ef78879ce200e8c2e", "status": "affected", "versionType": "git"}, {"version": "da741b8c56d612b5dd26ffa31341911a5fea23ee", "lessThan": "4630c68bade82f087eaaab22e9a361da2f18d139", "status": "affected", "versionType": "git"}, {"version": "da741b8c56d612b5dd26ffa31341911a5fea23ee", "lessThan": "42988380ac67c76bb9dff8f77d7ef3eefd50b7b5", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/gadget/function/f_ecm.c"], "versions": [{"version": "2.6.27", "status": "affected"}, {"version": "0", "lessThan": "2.6.27", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.158", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.114", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.55", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.5", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "6.1.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "6.6.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "6.12.55"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "6.17.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "6.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d3745aaef19198d0c81637a7dd50ef53c4f879b7"}, {"url": "https://git.kernel.org/stable/c/070f341d86cf2c098d63e484a86c7c1d2696a868"}, {"url": "https://git.kernel.org/stable/c/15b9faf53ba8719700596e7ef78879ce200e8c2e"}, {"url": "https://git.kernel.org/stable/c/4630c68bade82f087eaaab22e9a361da2f18d139"}, {"url": "https://git.kernel.org/stable/c/42988380ac67c76bb9dff8f77d7ef3eefd50b7b5"}], "title": "usb: gadget: f_ecm: Refactor bind path to use __free()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: f_ecm: Refactor bind path to use __free()\n\nAfter an bind/unbind cycle, the ecm->notify_req is left stale. If a\nsubsequent bind fails, the unified error label attempts to free this\nstale request, leading to a NULL pointer dereference when accessing\nep->ops->free_request.\n\nRefactor the error handling in the bind path to use the __free()\nautomatic cleanup mechanism."}], "id": "CVE-2025-40093", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-10-30T10:15:33.813", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/070f341d86cf2c098d63e484a86c7c1d2696a868"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/15b9faf53ba8719700596e7ef78879ce200e8c2e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/42988380ac67c76bb9dff8f77d7ef3eefd50b7b5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4630c68bade82f087eaaab22e9a361da2f18d139"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d3745aaef19198d0c81637a7dd50ef53c4f879b7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: usb: gadget: f_ecm: Refactor bind path to use __free()", "id": "2407340", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2407340"}, "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": ["No description is available for this CVE."], "name": "CVE-2025-40093", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-10-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-40093\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-40093\nhttps://lore.kernel.org/linux-cve-announce/2025103016-CVE-2025-40093-f52d@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-10-30T14:37:21.331077+00:00", "updated": "2025-10-30T14:37:21.331100+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}