{"api_version":"1","generated_at":"2026-08-23T15:23:20+00:00","cve":"CVE-2026-74617","urls":{"html":"https://cve.report/CVE-2026-74617","api":"https://cve.report/api/cve/CVE-2026-74617.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74617","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74617"},"summary":{"title":"dibs: initialise dibs->lock in dibs_dev_alloc()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndibs: initialise dibs->lock in dibs_dev_alloc()\n\ndibs->lock is initialised by dibs_dev_add(), but a dibs device can\nalready take interrupts before that call: ism_probe() runs\nism_dev_init(), and hence request_irq(), before it calls\ndibs_dev_add(). No client can have registered a dmb at that point, so\nno dmb interrupt can occur, but a GID event interrupt can, and\nism_handle_irq() takes dibs->lock unconditionally on entry, before it\ninspects anything else.\n\nInitialise the lock in dibs_dev_alloc() instead, so that it is valid as\nsoon as a driver can publish the device to its interrupt handler.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-22 16:16:34","updated_at":"2026-08-22 16:16:34"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/c27e360545373b7aee9862a5beef3b9fb3df0c25","name":"https://git.kernel.org/stable/c/c27e360545373b7aee9862a5beef3b9fb3df0c25","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2926031acba100d0c18fcfaa7a2ed29609318848","name":"https://git.kernel.org/stable/c/2926031acba100d0c18fcfaa7a2ed29609318848","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fe79571f40434b257d68cbfb7b3ae93a794d8a11","name":"https://git.kernel.org/stable/c/fe79571f40434b257d68cbfb7b3ae93a794d8a11","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74617","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74617","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cc21191b584c6f7836b0f10774f8278b7cbfba10 fe79571f40434b257d68cbfb7b3ae93a794d8a11 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cc21191b584c6f7836b0f10774f8278b7cbfba10 2926031acba100d0c18fcfaa7a2ed29609318848 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cc21191b584c6f7836b0f10774f8278b7cbfba10 c27e360545373b7aee9862a5beef3b9fb3df0c25 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.45 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.9 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":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/dibs/dibs_main.c","include/linux/dibs.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fe79571f40434b257d68cbfb7b3ae93a794d8a11","status":"affected","version":"cc21191b584c6f7836b0f10774f8278b7cbfba10","versionType":"git"},{"lessThan":"2926031acba100d0c18fcfaa7a2ed29609318848","status":"affected","version":"cc21191b584c6f7836b0f10774f8278b7cbfba10","versionType":"git"},{"lessThan":"c27e360545373b7aee9862a5beef3b9fb3df0c25","status":"affected","version":"cc21191b584c6f7836b0f10774f8278b7cbfba10","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/dibs/dibs_main.c","include/linux/dibs.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.45","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.9","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":"6.18.45","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.9","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"6.18","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndibs: initialise dibs->lock in dibs_dev_alloc()\n\ndibs->lock is initialised by dibs_dev_add(), but a dibs device can\nalready take interrupts before that call: ism_probe() runs\nism_dev_init(), and hence request_irq(), before it calls\ndibs_dev_add(). No client can have registered a dmb at that point, so\nno dmb interrupt can occur, but a GID event interrupt can, and\nism_handle_irq() takes dibs->lock unconditionally on entry, before it\ninspects anything else.\n\nInitialise the lock in dibs_dev_alloc() instead, so that it is valid as\nsoon as a driver can publish the device to its interrupt handler."}],"providerMetadata":{"dateUpdated":"2026-08-22T15:32:02.049Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/fe79571f40434b257d68cbfb7b3ae93a794d8a11"},{"url":"https://git.kernel.org/stable/c/2926031acba100d0c18fcfaa7a2ed29609318848"},{"url":"https://git.kernel.org/stable/c/c27e360545373b7aee9862a5beef3b9fb3df0c25"}],"title":"dibs: initialise dibs->lock in dibs_dev_alloc()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74617","datePublished":"2026-08-22T15:32:02.049Z","dateReserved":"2026-08-15T05:44:03.920Z","dateUpdated":"2026-08-22T15:32:02.049Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-22 16:16:34","lastModifiedDate":"2026-08-22 16:16:34","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74617","Ordinal":"1","Title":"dibs: initialise dibs->lock in dibs_dev_alloc()","CVE":"CVE-2026-74617","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74617","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndibs: initialise dibs->lock in dibs_dev_alloc()\n\ndibs->lock is initialised by dibs_dev_add(), but a dibs device can\nalready take interrupts before that call: ism_probe() runs\nism_dev_init(), and hence request_irq(), before it calls\ndibs_dev_add(). No client can have registered a dmb at that point, so\nno dmb interrupt can occur, but a GID event interrupt can, and\nism_handle_irq() takes dibs->lock unconditionally on entry, before it\ninspects anything else.\n\nInitialise the lock in dibs_dev_alloc() instead, so that it is valid as\nsoon as a driver can publish the device to its interrupt handler.","Type":"Description","Title":"dibs: initialise dibs->lock in dibs_dev_alloc()"}]}}}