{"api_version":"1","generated_at":"2026-09-25T10:14:55+00:00","cve":"CVE-2026-97484","urls":{"html":"https://cve.report/CVE-2026-97484","api":"https://cve.report/api/cve/CVE-2026-97484.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-97484","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-97484"},"summary":{"title":"usbip: vhci_hcd: fix NULL deref in status_show_vhci","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusbip: vhci_hcd: fix NULL deref in status_show_vhci\n\nplatform_get_drvdata() can return NULL if a VHCI host controller's\nprobe failed (e.g. due to USB bus number exhaustion). status_show_vhci()\nchecked for a NULL pdev but not for a NULL hcd returned by\nplatform_get_drvdata(). Passing NULL to hcd_to_vhci_hcd() does not\nreturn NULL - it returns a pointer offset of 0x260, causing a NULL\npointer dereference when that value is subsequently dereferenced.\n\nAdd a NULL check on hcd before calling hcd_to_vhci_hcd(). Move\nstatus_show_not_ready() above status_show_vhci() to make it callable\nfrom the new error path without a forward declaration.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-24 17:17:25","updated_at":"2026-09-24 17:17:25"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/dacd7c317ba12e035653c28a0eaaf23d91abc073","name":"https://git.kernel.org/stable/c/dacd7c317ba12e035653c28a0eaaf23d91abc073","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bc150783542ba2e7c1257d1299c6f3269bdba270","name":"https://git.kernel.org/stable/c/bc150783542ba2e7c1257d1299c6f3269bdba270","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/046a94fdb02eb1df86c8fa4614104ff801ba3ab7","name":"https://git.kernel.org/stable/c/046a94fdb02eb1df86c8fa4614104ff801ba3ab7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97484","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97484","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 046a94fdb02eb1df86c8fa4614104ff801ba3ab7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 dacd7c317ba12e035653c28a0eaaf23d91abc073 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 bc150783542ba2e7c1257d1299c6f3269bdba270 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12.111 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18.53 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.111 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 * 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/usb/usbip/vhci_sysfs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"046a94fdb02eb1df86c8fa4614104ff801ba3ab7","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"dacd7c317ba12e035653c28a0eaaf23d91abc073","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"bc150783542ba2e7c1257d1299c6f3269bdba270","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"6.12.111","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.18.53","status":"affected","version":"0","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/usb/usbip/vhci_sysfs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.111","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","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":"6.12.111","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusbip: vhci_hcd: fix NULL deref in status_show_vhci\n\nplatform_get_drvdata() can return NULL if a VHCI host controller's\nprobe failed (e.g. due to USB bus number exhaustion). status_show_vhci()\nchecked for a NULL pdev but not for a NULL hcd returned by\nplatform_get_drvdata(). Passing NULL to hcd_to_vhci_hcd() does not\nreturn NULL - it returns a pointer offset of 0x260, causing a NULL\npointer dereference when that value is subsequently dereferenced.\n\nAdd a NULL check on hcd before calling hcd_to_vhci_hcd(). Move\nstatus_show_not_ready() above status_show_vhci() to make it callable\nfrom the new error path without a forward declaration."}],"providerMetadata":{"dateUpdated":"2026-09-24T16:04:27.978Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/046a94fdb02eb1df86c8fa4614104ff801ba3ab7"},{"url":"https://git.kernel.org/stable/c/dacd7c317ba12e035653c28a0eaaf23d91abc073"},{"url":"https://git.kernel.org/stable/c/bc150783542ba2e7c1257d1299c6f3269bdba270"}],"title":"usbip: vhci_hcd: fix NULL deref in status_show_vhci","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-97484","datePublished":"2026-09-24T16:04:27.978Z","dateReserved":"2026-09-24T16:01:01.149Z","dateUpdated":"2026-09-24T16:04:27.978Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-24 17:17:25","lastModifiedDate":"2026-09-24 17:17:25","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"97484","Ordinal":"1","Title":"usbip: vhci_hcd: fix NULL deref in status_show_vhci","CVE":"CVE-2026-97484","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"97484","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nusbip: vhci_hcd: fix NULL deref in status_show_vhci\n\nplatform_get_drvdata() can return NULL if a VHCI host controller's\nprobe failed (e.g. due to USB bus number exhaustion). status_show_vhci()\nchecked for a NULL pdev but not for a NULL hcd returned by\nplatform_get_drvdata(). Passing NULL to hcd_to_vhci_hcd() does not\nreturn NULL - it returns a pointer offset of 0x260, causing a NULL\npointer dereference when that value is subsequently dereferenced.\n\nAdd a NULL check on hcd before calling hcd_to_vhci_hcd(). Move\nstatus_show_not_ready() above status_show_vhci() to make it callable\nfrom the new error path without a forward declaration.","Type":"Description","Title":"usbip: vhci_hcd: fix NULL deref in status_show_vhci"}]}}}