{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23082", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.960Z", "datePublished": "2026-02-04T16:08:06.731Z", "dateUpdated": "2026-02-09T08:38:21.983Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-02-09T08:38:21.983Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: gs_usb: gs_usb_receive_bulk_callback(): unanchor URL on usb_submit_urb() error\n\nIn commit 7352e1d5932a (\"can: gs_usb: gs_usb_receive_bulk_callback(): fix\nURB memory leak\"), the URB was re-anchored before usb_submit_urb() in\ngs_usb_receive_bulk_callback() to prevent a leak of this URB during\ncleanup.\n\nHowever, this patch did not take into account that usb_submit_urb() could\nfail. The URB remains anchored and\nusb_kill_anchored_urbs(&parent->rx_submitted) in gs_can_close() loops\ninfinitely since the anchor list never becomes empty.\n\nTo fix the bug, unanchor the URB when an usb_submit_urb() error occurs,\nalso print an info message."}], "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": "ec5ccc2af9e5b045671f3f604b57512feda8bcc5", "lessThan": "aa8a8866c533a150be4763bcb27993603bd5426c", "status": "affected", "versionType": "git"}, {"version": "f905bcfa971edb89e398c98957838d8c6381c0c7", "lessThan": "ce4352057fc5a986c76ece90801b9755e7c6e56c", "status": "affected", "versionType": "git"}, {"version": "08624b7206ddb9148eeffc2384ebda2c47b6d1e9", "lessThan": "c610b550ccc0438d456dfe1df9f4f36254ccaae3", "status": "affected", "versionType": "git"}, {"version": "9f669a38ca70839229b7ba0f851820850a2fe1f7", "lessThan": "c3edc14da81a8d8398682f6e4ab819f09f37c0b7", "status": "affected", "versionType": "git"}, {"version": "7352e1d5932a0e777e39fa4b619801191f57e603", "lessThan": "79a6d1bfe1148bc921b8d7f3371a7fbce44e30f7", "status": "affected", "versionType": "git"}]}, {"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": "6.12.67", "lessThan": "6.12.68", "status": "affected", "versionType": "semver"}, {"version": "6.18.7", "lessThan": "6.18.8", "status": "affected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.67", "versionEndExcluding": "6.12.68"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18.7", "versionEndExcluding": "6.18.8"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/aa8a8866c533a150be4763bcb27993603bd5426c"}, {"url": "https://git.kernel.org/stable/c/ce4352057fc5a986c76ece90801b9755e7c6e56c"}, {"url": "https://git.kernel.org/stable/c/c610b550ccc0438d456dfe1df9f4f36254ccaae3"}, {"url": "https://git.kernel.org/stable/c/c3edc14da81a8d8398682f6e4ab819f09f37c0b7"}, {"url": "https://git.kernel.org/stable/c/79a6d1bfe1148bc921b8d7f3371a7fbce44e30f7"}], "title": "can: gs_usb: gs_usb_receive_bulk_callback(): unanchor URL on usb_submit_urb() error", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:6.12.67:*:*:*:*:*:*:*", "matchCriteriaId": "59F27AC7-EC6E-439C-A4DE-3E0179CDFE1D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.18.7:*:*:*:*:*:*:*", "matchCriteriaId": "20B6C380-0FF3-4ECC-AA45-F055A5ECBFA1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*", "matchCriteriaId": "3EF854A1-ABB1-4E93-BE9A-44569EC76C0D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: gs_usb: gs_usb_receive_bulk_callback(): unanchor URL on usb_submit_urb() error\n\nIn commit 7352e1d5932a (\"can: gs_usb: gs_usb_receive_bulk_callback(): fix\nURB memory leak\"), the URB was re-anchored before usb_submit_urb() in\ngs_usb_receive_bulk_callback() to prevent a leak of this URB during\ncleanup.\n\nHowever, this patch did not take into account that usb_submit_urb() could\nfail. The URB remains anchored and\nusb_kill_anchored_urbs(&parent->rx_submitted) in gs_can_close() loops\ninfinitely since the anchor list never becomes empty.\n\nTo fix the bug, unanchor the URB when an usb_submit_urb() error occurs,\nalso print an info message."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ncan: gs_usb: gs_usb_receive_bulk_callback(): desanclar URL en error de usb_submit_urb()\n\nEn el commit 7352e1d5932a (\"can: gs_usb: gs_usb_receive_bulk_callback(): corregir fuga de memoria de URB\"), el URB fue re-anclado antes de usb_submit_urb() en gs_usb_receive_bulk_callback() para prevenir una fuga de este URB durante la limpieza.\n\nSin embargo, este parche no tuvo en cuenta que usb_submit_urb() podr\u00eda fallar. El URB permanece anclado y usb_kill_anchored_urbs(&parent->rx_submitted) en gs_can_close() entra en un bucle infinito ya que la lista de anclajes nunca queda vac\u00eda.\n\nPara corregir el error, desanclar el URB cuando ocurre un error de usb_submit_urb(), tambi\u00e9n imprimir un mensaje de informaci\u00f3n."}], "id": "CVE-2026-23082", "lastModified": "2026-03-18T13:44:05.110", "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": "2026-02-04T17:16:19.060", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/79a6d1bfe1148bc921b8d7f3371a7fbce44e30f7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/aa8a8866c533a150be4763bcb27993603bd5426c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c3edc14da81a8d8398682f6e4ab819f09f37c0b7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c610b550ccc0438d456dfe1df9f4f36254ccaae3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ce4352057fc5a986c76ece90801b9755e7c6e56c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: can: gs_usb: gs_usb_receive_bulk_callback(): unanchor URL on usb_submit_urb() error", "id": "2436754", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2436754"}, "csaw": false, "details": ["No description is available for this CVE."], "name": "CVE-2026-23082", "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": "2026-02-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23082\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23082\nhttps://lore.kernel.org/linux-cve-announce/2026020422-CVE-2026-23082-7bc8@gregkh/T"]}

{}