CVE-2025-68342

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-68342", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-16T14:48:05.298Z", "datePublished": "2025-12-23T13:58:27.579Z", "dateUpdated": "2026-10-30T12:23:14.781Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:23:14.781Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: gs_usb: gs_usb_receive_bulk_callback(): check actual_length before accessing data\n\nThe URB received in gs_usb_receive_bulk_callback() contains a struct\ngs_host_frame. The length of the data after the header depends on the\ngs_host_frame hf::flags and the active device features (e.g. time\nstamping).\n\nIntroduce a new function gs_usb_get_minimum_length() and check that we have\nat least received the required amount of data before accessing it. Only\ncopy the data to that skb that has actually been received.\n\n[mkl: rename gs_usb_get_minimum_length() -> +gs_usb_get_minimum_rx_length()]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/can/usb/gs_usb.c"], "versions": [{"version": "d08e973a77d128b25e01a08c34d89593fdf222da", "lessThan": "8376208db9283fbdfaa06c8d80735ac9954fa64a", "status": "affected", "versionType": "git"}, {"version": "d08e973a77d128b25e01a08c34d89593fdf222da", "lessThan": "4ffac725154cf6a253f5e6aa0c8946232b6a0af5", "status": "affected", "versionType": "git"}, {"version": "d08e973a77d128b25e01a08c34d89593fdf222da", "lessThan": "ad55004a3cb5b41ef78aa6c09e7bc5a489ba652b", "status": "affected", "versionType": "git"}, {"version": "d08e973a77d128b25e01a08c34d89593fdf222da", "lessThan": "fb0c7c77a7ae3a2c3404b7d0173b8739a754b513", "status": "affected", "versionType": "git"}, {"version": "d08e973a77d128b25e01a08c34d89593fdf222da", "lessThan": "395d988f93861101ec89d0dd9e3b876ae9392a5b", "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/net/can/usb/gs_usb.c"], "versions": [{"version": "3.16", "status": "affected"}, {"version": "0", "lessThan": "3.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.119", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.61", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.11", "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": "3.16", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "6.6.119"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "6.12.61"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "6.17.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "6.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/8376208db9283fbdfaa06c8d80735ac9954fa64a"}, {"url": "https://git.kernel.org/stable/c/4ffac725154cf6a253f5e6aa0c8946232b6a0af5"}, {"url": "https://git.kernel.org/stable/c/ad55004a3cb5b41ef78aa6c09e7bc5a489ba652b"}, {"url": "https://git.kernel.org/stable/c/fb0c7c77a7ae3a2c3404b7d0173b8739a754b513"}, {"url": "https://git.kernel.org/stable/c/395d988f93861101ec89d0dd9e3b876ae9392a5b"}], "title": "can: gs_usb: gs_usb_receive_bulk_callback(): check actual_length before accessing data", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/can/usb/gs_usb.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "8376208db9283fbdfaa06c8d80735ac9954fa64a", "status": "affected", "version": "d08e973a77d128b25e01a08c34d89593fdf222da", "versionType": "git"}, {"lessThan": "4ffac725154cf6a253f5e6aa0c8946232b6a0af5", "status": "affected", "version": "d08e973a77d128b25e01a08c34d89593fdf222da", "versionType": "git"}, {"lessThan": "ad55004a3cb5b41ef78aa6c09e7bc5a489ba652b", "status": "affected", "version": "d08e973a77d128b25e01a08c34d89593fdf222da", "versionType": "git"}, {"lessThan": "fb0c7c77a7ae3a2c3404b7d0173b8739a754b513", "status": "affected", "version": "d08e973a77d128b25e01a08c34d89593fdf222da", "versionType": "git"}, {"lessThan": "395d988f93861101ec89d0dd9e3b876ae9392a5b", "status": "affected", "version": "d08e973a77d128b25e01a08c34d89593fdf222da", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/can/usb/gs_usb.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.16"}, {"lessThan": "3.16", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.119", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.61", "versionType": "semver"}, {"lessThanOrEqual": "6.17.*", "status": "unaffected", "version": "6.17.11", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.18", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: gs_usb: gs_usb_receive_bulk_callback(): check actual_length before accessing data\n\nThe URB received in gs_usb_receive_bulk_callback() contains a struct\ngs_host_frame. The length of the data after the header depends on the\ngs_host_frame hf::flags and the active device features (e.g. time\nstamping).\n\nIntroduce a new function gs_usb_get_minimum_length() and check that we have\nat least received the required amount of data before accessing it. Only\ncopy the data to that skb that has actually been received.\n\n[mkl: rename gs_usb_get_minimum_length() -> +gs_usb_get_minimum_rx_length()]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad:\n\ncan: gs_usb: gs_usb_receive_bulk_callback(): comprobar actual_length antes de acceder a los datos\n\nEl URB recibido en 'gs_usb_receive_bulk_callback()' contiene una estructura 'gs_host_frame'. La longitud de los datos despu\u00e9s de la cabecera depende de los 'hf::flags' de 'gs_host_frame' y de las caracter\u00edsticas activas del dispositivo (por ejemplo, el sellado de tiempo).\n\nSe introduce una nueva funci\u00f3n 'gs_usb_get_minimum_length()' y se comprueba que se ha recibido al menos la cantidad de datos requerida antes de acceder a ellos. Solo se copian al 'skb' los datos que realmente se han recibido.\n\n[mkl: se renombra 'gs_usb_get_minimum_length()' a '+gs_usb_get_minimum_rx_length()']"}], "id": "CVE-2025-68342", "lastModified": "2026-10-30T13:18:21.553", "metrics": {}, "published": "2025-12-23T14:16:40.810", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/395d988f93861101ec89d0dd9e3b876ae9392a5b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4ffac725154cf6a253f5e6aa0c8946232b6a0af5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8376208db9283fbdfaa06c8d80735ac9954fa64a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ad55004a3cb5b41ef78aa6c09e7bc5a489ba652b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fb0c7c77a7ae3a2c3404b7d0173b8739a754b513"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: can: gs_usb: gs_usb_receive_bulk_callback(): check actual_length before accessing data", "id": "2424609", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2424609"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-68342", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-68342\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-68342\nhttps://lore.kernel.org/linux-cve-announce/2025122332-CVE-2025-68342-7f69@gregkh/T"], "threat_severity": "Important"}

{}