{"api_version":"1","generated_at":"2026-07-23T14:35:43+00:00","cve":"CVE-2026-23082","urls":{"html":"https://cve.report/CVE-2026-23082","api":"https://cve.report/api/cve/CVE-2026-23082.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23082","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23082"},"summary":{"title":"can: gs_usb: gs_usb_receive_bulk_callback(): unanchor URL on usb_submit_urb() error","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-02-04 17:16:19","updated_at":"2026-04-18 09:16:13"},"problem_types":["CWE-835"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/c610b550ccc0438d456dfe1df9f4f36254ccaae3","name":"https://git.kernel.org/stable/c/c610b550ccc0438d456dfe1df9f4f36254ccaae3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/aa8a8866c533a150be4763bcb27993603bd5426c","name":"https://git.kernel.org/stable/c/aa8a8866c533a150be4763bcb27993603bd5426c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/da01de754e455e2598a7f1ce4ff2078c4f0ecde1","name":"https://git.kernel.org/stable/c/da01de754e455e2598a7f1ce4ff2078c4f0ecde1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ce4352057fc5a986c76ece90801b9755e7c6e56c","name":"https://git.kernel.org/stable/c/ce4352057fc5a986c76ece90801b9755e7c6e56c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c3edc14da81a8d8398682f6e4ab819f09f37c0b7","name":"https://git.kernel.org/stable/c/c3edc14da81a8d8398682f6e4ab819f09f37c0b7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/79a6d1bfe1148bc921b8d7f3371a7fbce44e30f7","name":"https://git.kernel.org/stable/c/79a6d1bfe1148bc921b8d7f3371a7fbce44e30f7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-23082","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23082","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9c151898cc259a7784be60ba38664f42ede39b31 da01de754e455e2598a7f1ce4ff2078c4f0ecde1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ec5ccc2af9e5b045671f3f604b57512feda8bcc5 aa8a8866c533a150be4763bcb27993603bd5426c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f905bcfa971edb89e398c98957838d8c6381c0c7 ce4352057fc5a986c76ece90801b9755e7c6e56c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 08624b7206ddb9148eeffc2384ebda2c47b6d1e9 c610b550ccc0438d456dfe1df9f4f36254ccaae3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9f669a38ca70839229b7ba0f851820850a2fe1f7 c3edc14da81a8d8398682f6e4ab819f09f37c0b7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7352e1d5932a0e777e39fa4b619801191f57e603 79a6d1bfe1148bc921b8d7f3371a7fbce44e30f7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12.67 6.12.68 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18.7 6.18.8 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"23082","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"6.12.67","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"23082","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"6.18.7","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"23082","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"6.19","cpe7":"rc6","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"23082","cve":"CVE-2026-23082","epss":"0.000180000","percentile":"0.044720000","score_date":"2026-04-21","updated_at":"2026-04-22 00:07:40"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"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":"da01de754e455e2598a7f1ce4ff2078c4f0ecde1","status":"affected","version":"9c151898cc259a7784be60ba38664f42ede39b31","versionType":"git"},{"lessThan":"aa8a8866c533a150be4763bcb27993603bd5426c","status":"affected","version":"ec5ccc2af9e5b045671f3f604b57512feda8bcc5","versionType":"git"},{"lessThan":"ce4352057fc5a986c76ece90801b9755e7c6e56c","status":"affected","version":"f905bcfa971edb89e398c98957838d8c6381c0c7","versionType":"git"},{"lessThan":"c610b550ccc0438d456dfe1df9f4f36254ccaae3","status":"affected","version":"08624b7206ddb9148eeffc2384ebda2c47b6d1e9","versionType":"git"},{"lessThan":"c3edc14da81a8d8398682f6e4ab819f09f37c0b7","status":"affected","version":"9f669a38ca70839229b7ba0f851820850a2fe1f7","versionType":"git"},{"lessThan":"79a6d1bfe1148bc921b8d7f3371a7fbce44e30f7","status":"affected","version":"7352e1d5932a0e777e39fa4b619801191f57e603","versionType":"git"}]},{"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":"6.12.68","status":"affected","version":"6.12.67","versionType":"semver"},{"lessThan":"6.18.8","status":"affected","version":"6.18.7","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.68","versionStartIncluding":"6.12.67","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.8","versionStartIncluding":"6.18.7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-04-18T08:57:15.950Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/da01de754e455e2598a7f1ce4ff2078c4f0ecde1"},{"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-23082","datePublished":"2026-02-04T16:08:06.731Z","dateReserved":"2026-01-13T15:37:45.960Z","dateUpdated":"2026-04-18T08:57:15.950Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-02-04 17:16:19","lastModifiedDate":"2026-04-18 09:16:13","problem_types":["CWE-835"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"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"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"23082","Ordinal":"1","Title":"can: gs_usb: gs_usb_receive_bulk_callback(): unanchor URL on usb","CVE":"CVE-2026-23082","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23082","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"can: gs_usb: gs_usb_receive_bulk_callback(): unanchor URL on usb"}]}}}