{"api_version":"1","generated_at":"2026-10-04T09:49:04+00:00","cve":"CVE-2026-89859","urls":{"html":"https://cve.report/CVE-2026-89859","api":"https://cve.report/api/cve/CVE-2026-89859.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-89859","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-89859"},"summary":{"title":"scsi: qla2xxx: Zero dport diagnostics buffer to avoid info leak","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Zero dport diagnostics buffer to avoid info leak\n\nqla2x00_do_dport_diagnostics() allocates the qla_dport_diag response\nbuffer with kmalloc_obj() (non-zeroing) and, on success, copies the full\nsizeof(*dd) back to user space via sg_copy_from_buffer(). The inbound\nsg_copy_to_buffer() only fills as many bytes as the user request payload\nprovides, and qla26xx_dport_diagnostics() zeroes only dd->buf. The\noptions and unused[] fields are therefore copied out uninitialized,\nleaking kernel heap contents to user space.\n\nAllocate with kzalloc_obj(), matching qla2x00_do_dport_diagnostics_v2().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-16 11:16:53","updated_at":"2026-10-03 11:17:44"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/d6e2411516bb95e52cb74c9c56b60ad2548a2730","name":"https://git.kernel.org/stable/c/d6e2411516bb95e52cb74c9c56b60ad2548a2730","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9fc03be982763a131913f84fe73b240ae45bca37","name":"https://git.kernel.org/stable/c/9fc03be982763a131913f84fe73b240ae45bca37","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a152edab3854f01dd2daf3eaf8f32cbabdb3834e","name":"https://git.kernel.org/stable/c/a152edab3854f01dd2daf3eaf8f32cbabdb3834e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5dfc77099c7d9fde9520a229794b0154d7ccccc1","name":"https://git.kernel.org/stable/c/5dfc77099c7d9fde9520a229794b0154d7ccccc1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89859","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89859","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ec89146215d124c429bff84b498dccdc4919ffa7 5dfc77099c7d9fde9520a229794b0154d7ccccc1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ec89146215d124c429bff84b498dccdc4919ffa7 d6e2411516bb95e52cb74c9c56b60ad2548a2730 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ec89146215d124c429bff84b498dccdc4919ffa7 9fc03be982763a131913f84fe73b240ae45bca37 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ec89146215d124c429bff84b498dccdc4919ffa7 a152edab3854f01dd2daf3eaf8f32cbabdb3834e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.8","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.8 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.112 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* 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-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"89859","cve":"CVE-2026-89859","epss":"0.002060000","percentile":"0.096780000","score_date":"2026-10-03","updated_at":"2026-10-04 00:03:16"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/scsi/qla2xxx/qla_bsg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5dfc77099c7d9fde9520a229794b0154d7ccccc1","status":"affected","version":"ec89146215d124c429bff84b498dccdc4919ffa7","versionType":"git"},{"lessThan":"d6e2411516bb95e52cb74c9c56b60ad2548a2730","status":"affected","version":"ec89146215d124c429bff84b498dccdc4919ffa7","versionType":"git"},{"lessThan":"9fc03be982763a131913f84fe73b240ae45bca37","status":"affected","version":"ec89146215d124c429bff84b498dccdc4919ffa7","versionType":"git"},{"lessThan":"a152edab3854f01dd2daf3eaf8f32cbabdb3834e","status":"affected","version":"ec89146215d124c429bff84b498dccdc4919ffa7","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/scsi/qla2xxx/qla_bsg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.8"},{"lessThan":"4.8","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.112","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.112","versionStartIncluding":"4.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"4.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.5","versionStartIncluding":"4.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"4.8","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Zero dport diagnostics buffer to avoid info leak\n\nqla2x00_do_dport_diagnostics() allocates the qla_dport_diag response\nbuffer with kmalloc_obj() (non-zeroing) and, on success, copies the full\nsizeof(*dd) back to user space via sg_copy_from_buffer(). The inbound\nsg_copy_to_buffer() only fills as many bytes as the user request payload\nprovides, and qla26xx_dport_diagnostics() zeroes only dd->buf. The\noptions and unused[] fields are therefore copied out uninitialized,\nleaking kernel heap contents to user space.\n\nAllocate with kzalloc_obj(), matching qla2x00_do_dport_diagnostics_v2()."}],"providerMetadata":{"dateUpdated":"2026-10-03T10:56:49.159Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/5dfc77099c7d9fde9520a229794b0154d7ccccc1"},{"url":"https://git.kernel.org/stable/c/d6e2411516bb95e52cb74c9c56b60ad2548a2730"},{"url":"https://git.kernel.org/stable/c/9fc03be982763a131913f84fe73b240ae45bca37"},{"url":"https://git.kernel.org/stable/c/a152edab3854f01dd2daf3eaf8f32cbabdb3834e"}],"title":"scsi: qla2xxx: Zero dport diagnostics buffer to avoid info leak","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-89859","datePublished":"2026-09-16T10:31:31.554Z","dateReserved":"2026-09-11T19:38:34.771Z","dateUpdated":"2026-10-03T10:56:49.159Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-16 11:16:53","lastModifiedDate":"2026-10-03 11:17:44","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"89859","Ordinal":"1","Title":"scsi: qla2xxx: Zero dport diagnostics buffer to avoid info leak","CVE":"CVE-2026-89859","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"89859","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Zero dport diagnostics buffer to avoid info leak\n\nqla2x00_do_dport_diagnostics() allocates the qla_dport_diag response\nbuffer with kmalloc_obj() (non-zeroing) and, on success, copies the full\nsizeof(*dd) back to user space via sg_copy_from_buffer(). The inbound\nsg_copy_to_buffer() only fills as many bytes as the user request payload\nprovides, and qla26xx_dport_diagnostics() zeroes only dd->buf. The\noptions and unused[] fields are therefore copied out uninitialized,\nleaking kernel heap contents to user space.\n\nAllocate with kzalloc_obj(), matching qla2x00_do_dport_diagnostics_v2().","Type":"Description","Title":"scsi: qla2xxx: Zero dport diagnostics buffer to avoid info leak"}]}}}