{"api_version":"1","generated_at":"2026-10-05T17:59:06+00:00","cve":"CVE-2026-90010","urls":{"html":"https://cve.report/CVE-2026-90010","api":"https://cve.report/api/cve/CVE-2026-90010.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90010","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90010"},"summary":{"title":"scsi: bsg: Cap io_uring sense copy to max_response_len","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: bsg: Cap io_uring sense copy to max_response_len\n\nCompletion copied scmd->sense_len to the user response buffer without\nhonoring max_response_len. After a valid sense, the midlayer sets\nsense_len to the real length (up to SCSI_SENSE_BUFFERSIZE), so a smaller\nuser buffer was overrun.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-16 11:17:13","updated_at":"2026-09-16 15:18:24"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/ece06de726737e887dc0225c8283477624f8ae21","name":"https://git.kernel.org/stable/c/ece06de726737e887dc0225c8283477624f8ae21","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5d326efc334ea21afd8161f6ca53e17de71948a9","name":"https://git.kernel.org/stable/c/5d326efc334ea21afd8161f6ca53e17de71948a9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90010","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90010","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7b6d3255e7f8c6df2d21504c47808e3ce84649ac 5d326efc334ea21afd8161f6ca53e17de71948a9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7b6d3255e7f8c6df2d21504c47808e3ce84649ac ece06de726737e887dc0225c8283477624f8ae21 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.1","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.5 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/scsi/scsi_bsg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5d326efc334ea21afd8161f6ca53e17de71948a9","status":"affected","version":"7b6d3255e7f8c6df2d21504c47808e3ce84649ac","versionType":"git"},{"lessThan":"ece06de726737e887dc0225c8283477624f8ae21","status":"affected","version":"7b6d3255e7f8c6df2d21504c47808e3ce84649ac","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/scsi/scsi_bsg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.1"},{"lessThan":"7.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.5","versionStartIncluding":"7.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc2","versionStartIncluding":"7.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: bsg: Cap io_uring sense copy to max_response_len\n\nCompletion copied scmd->sense_len to the user response buffer without\nhonoring max_response_len. After a valid sense, the midlayer sets\nsense_len to the real length (up to SCSI_SENSE_BUFFERSIZE), so a smaller\nuser buffer was overrun."}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"scenarios":[{"lang":"en","value":"AV:L - Reached only via IORING_OP_URING_CMD on a local /dev/bsg character device (bsg_fops.uring_cmd → bsg_uring_cmd → scsi_bsg_uring_cmd → scsi_bsg_uring_task_cb); per CNA guidance io_uring is Local, and no network or adjacent-radio path feeds SCSI sense completion.\nAC:L - The attacker controls the CDB, response pointer, and claimed max_response_len, and can reliably force CHECK CONDITION with an illegal-field or out-of-range READ/INQUIRY/TEST_UNIT_READY so the midlayer sets sense_len up to SCSI_SENSE_BUFFERSIZE (96) and the uncapped copy_to_user runs with no race.\nPR:L - bsg_open() has no capable() check and scsi_cmd_allowed() permits unprivileged read-class CDBs (INQUIRY, READ_*, TEST_UNIT_READY) without CAP_SYS_RAWIO; /dev/bsg nodes are routinely granted to disk/cdrom group members and uaccess-seated users on desktops, Android, and shared workstations.\nUI:N - The attacker opens /dev/bsg and submits the io_uring command from their own process; no separate victim action such as mounting a filesystem or attaching hardware is required.\nS:U - copy_to_user() writes past the caller-supplied userspace sense buffer in the submitting process and does not by itself corrupt kernel slab independently of that process or cross a VM, IOMMU, or sandbox boundary.\nC:H - Completion ignores max_response_len and copies up to 96 bytes of sense into adjacent userspace, a heap/stack overflow that can be turned into an arbitrary-read primitive against a privileged bsg/io_uring consumer rather than a bounded disclosure of intended sense data.\nI:H - scsi_bsg_uring_task_cb uses min(sense_len, SCSI_SENSE_BUFFERSIZE) instead of max_response_len, so a small user buffer is overrun by up to 96 bytes of sense, enabling adjacent heap/stack corruption and potential control-flow hijacking.\nA:H - The out-of-bounds write can crash the calling process or a storage-management consumer using a traditional 18/32-byte sense buffer, and CHECK CONDITION commands can be repeated to induce process termination."}]}],"providerMetadata":{"dateUpdated":"2026-09-16T14:41:26.660Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/5d326efc334ea21afd8161f6ca53e17de71948a9"},{"url":"https://git.kernel.org/stable/c/ece06de726737e887dc0225c8283477624f8ae21"}],"title":"scsi: bsg: Cap io_uring sense copy to max_response_len","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-90010","datePublished":"2026-09-16T10:33:18.118Z","dateReserved":"2026-09-11T19:38:34.781Z","dateUpdated":"2026-09-16T14:41:26.660Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-16 11:17:13","lastModifiedDate":"2026-09-16 15:18:24","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90010","Ordinal":"1","Title":"scsi: bsg: Cap io_uring sense copy to max_response_len","CVE":"CVE-2026-90010","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90010","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: bsg: Cap io_uring sense copy to max_response_len\n\nCompletion copied scmd->sense_len to the user response buffer without\nhonoring max_response_len. After a valid sense, the midlayer sets\nsense_len to the real length (up to SCSI_SENSE_BUFFERSIZE), so a smaller\nuser buffer was overrun.","Type":"Description","Title":"scsi: bsg: Cap io_uring sense copy to max_response_len"}]}}}