{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-68343", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-16T14:48:05.298Z", "datePublished": "2025-12-23T13:58:28.411Z", "dateUpdated": "2026-05-11T21:51:21.788Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:51:21.788Z"}, "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 header\n\nThe driver expects to receive a struct gs_host_frame in\ngs_usb_receive_bulk_callback().\n\nUse struct_group to describe the header of the struct gs_host_frame and\ncheck that we have at least received the header before accessing any\nmembers of it.\n\nTo resubmit the URB, do not dereference the pointer chain\n\"dev->parent->hf_size_rx\" but use \"parent->hf_size_rx\" instead. Since\n\"urb->context\" contains \"parent\", it is always defined, while \"dev\" is not\ndefined if the URB it too short."}], "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": "18cbce43363c9f84b90a92d57df341155eee0697", "status": "affected", "versionType": "git"}, {"version": "d08e973a77d128b25e01a08c34d89593fdf222da", "lessThan": "3433680b759646efcacc64fe36aa2e51ae34b8f0", "status": "affected", "versionType": "git"}, {"version": "d08e973a77d128b25e01a08c34d89593fdf222da", "lessThan": "616eee3e895b8ca0028163fcb1dce5e3e9dea322", "status": "affected", "versionType": "git"}, {"version": "d08e973a77d128b25e01a08c34d89593fdf222da", "lessThan": "f31693dc3a584c0ad3937e857b59dbc1a7ed2b87", "status": "affected", "versionType": "git"}, {"version": "d08e973a77d128b25e01a08c34d89593fdf222da", "lessThan": "6fe9f3279f7d2518439a7962c5870c6e9ecbadcf", "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": "6.1.159", "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": "6.1.159"}, {"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/18cbce43363c9f84b90a92d57df341155eee0697"}, {"url": "https://git.kernel.org/stable/c/3433680b759646efcacc64fe36aa2e51ae34b8f0"}, {"url": "https://git.kernel.org/stable/c/616eee3e895b8ca0028163fcb1dce5e3e9dea322"}, {"url": "https://git.kernel.org/stable/c/f31693dc3a584c0ad3937e857b59dbc1a7ed2b87"}, {"url": "https://git.kernel.org/stable/c/6fe9f3279f7d2518439a7962c5870c6e9ecbadcf"}], "title": "can: gs_usb: gs_usb_receive_bulk_callback(): check actual_length before accessing header", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"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 header\n\nThe driver expects to receive a struct gs_host_frame in\ngs_usb_receive_bulk_callback().\n\nUse struct_group to describe the header of the struct gs_host_frame and\ncheck that we have at least received the header before accessing any\nmembers of it.\n\nTo resubmit the URB, do not dereference the pointer chain\n\"dev->parent->hf_size_rx\" but use \"parent->hf_size_rx\" instead. Since\n\"urb->context\" contains \"parent\", it is always defined, while \"dev\" is not\ndefined if the URB it too short."}], "id": "CVE-2025-68343", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-12-23T14:16:40.913", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/18cbce43363c9f84b90a92d57df341155eee0697"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3433680b759646efcacc64fe36aa2e51ae34b8f0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/616eee3e895b8ca0028163fcb1dce5e3e9dea322"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6fe9f3279f7d2518439a7962c5870c6e9ecbadcf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f31693dc3a584c0ad3937e857b59dbc1a7ed2b87"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: can: gs_usb: gs_usb_receive_bulk_callback(): check actual_length before accessing header", "id": "2424610", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2424610"}, "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-2025-68343", "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-2025-68343\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-68343\nhttps://lore.kernel.org/linux-cve-announce/2025122333-CVE-2025-68343-3238@gregkh/T"], "threat_severity": "Important"}

{}