{"api_version":"1","generated_at":"2026-08-17T11:26:00+00:00","cve":"CVE-2026-74526","urls":{"html":"https://cve.report/CVE-2026-74526","api":"https://cve.report/api/cve/CVE-2026-74526.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74526","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74526"},"summary":{"title":"scsi: mpi3mr: Fix potential deadlock in mpi3mr_fault_uevent_emit","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpi3mr: Fix potential deadlock in mpi3mr_fault_uevent_emit\n\nmpi3mr_fault_uevent_emit() runs from the fault watchdog and reset paths\nwhere host I/O may already be blocked. GFP_KERNEL allocations here, both\nthe local kzalloc_obj() and the ones inside kobject_uevent_env() itself,\ncan trigger reclaim that waits on that blocked I/O and deadlock.\n\nUse memalloc_noio_save()/restore() to cover the whole call instead of\njust the local allocation.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 13:17:57","updated_at":"2026-08-17 06:19:49"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/df817b19dac7034416d18f14347010b3e9f5cf3d","name":"https://git.kernel.org/stable/c/df817b19dac7034416d18f14347010b3e9f5cf3d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ccff8c92571500fcfed21281e33daaf645bf692f","name":"https://git.kernel.org/stable/c/ccff8c92571500fcfed21281e33daaf645bf692f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74526","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74526","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ec54b348f274fdd2bd32bbe74de6d62ae1a10a18 df817b19dac7034416d18f14347010b3e9f5cf3d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ec54b348f274fdd2bd32bbe74de6d62ae1a10a18 ccff8c92571500fcfed21281e33daaf645bf692f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.0","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.8 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"74526","cve":"CVE-2026-74526","epss":"0.001550000","percentile":"0.051970000","score_date":"2026-08-16","updated_at":"2026-08-17 00:01:04"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/scsi/mpi3mr/mpi3mr_fw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"df817b19dac7034416d18f14347010b3e9f5cf3d","status":"affected","version":"ec54b348f274fdd2bd32bbe74de6d62ae1a10a18","versionType":"git"},{"lessThan":"ccff8c92571500fcfed21281e33daaf645bf692f","status":"affected","version":"ec54b348f274fdd2bd32bbe74de6d62ae1a10a18","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/scsi/mpi3mr/mpi3mr_fw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.0"},{"lessThan":"7.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.8","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.8","versionStartIncluding":"7.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"7.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpi3mr: Fix potential deadlock in mpi3mr_fault_uevent_emit\n\nmpi3mr_fault_uevent_emit() runs from the fault watchdog and reset paths\nwhere host I/O may already be blocked. GFP_KERNEL allocations here, both\nthe local kzalloc_obj() and the ones inside kobject_uevent_env() itself,\ncan trigger reclaim that waits on that blocked I/O and deadlock.\n\nUse memalloc_noio_save()/restore() to cover the whole call instead of\njust the local allocation."}],"providerMetadata":{"dateUpdated":"2026-08-17T05:21:09.281Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/df817b19dac7034416d18f14347010b3e9f5cf3d"},{"url":"https://git.kernel.org/stable/c/ccff8c92571500fcfed21281e33daaf645bf692f"}],"title":"scsi: mpi3mr: Fix potential deadlock in mpi3mr_fault_uevent_emit","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74526","datePublished":"2026-08-15T12:27:42.965Z","dateReserved":"2026-08-15T05:44:03.911Z","dateUpdated":"2026-08-17T05:21:09.281Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 13:17:57","lastModifiedDate":"2026-08-17 06:19:49","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74526","Ordinal":"1","Title":"scsi: mpi3mr: Fix potential deadlock in mpi3mr_fault_uevent_emit","CVE":"CVE-2026-74526","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74526","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpi3mr: Fix potential deadlock in mpi3mr_fault_uevent_emit\n\nmpi3mr_fault_uevent_emit() runs from the fault watchdog and reset paths\nwhere host I/O may already be blocked. GFP_KERNEL allocations here, both\nthe local kzalloc_obj() and the ones inside kobject_uevent_env() itself,\ncan trigger reclaim that waits on that blocked I/O and deadlock.\n\nUse memalloc_noio_save()/restore() to cover the whole call instead of\njust the local allocation.","Type":"Description","Title":"scsi: mpi3mr: Fix potential deadlock in mpi3mr_fault_uevent_emit"}]}}}