{"api_version":"1","generated_at":"2026-09-26T06:39:53+00:00","cve":"CVE-2026-97968","urls":{"html":"https://cve.report/CVE-2026-97968","api":"https://cve.report/api/cve/CVE-2026-97968.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-97968","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-97968"},"summary":{"title":"hwmon: (corsair-cpro) Create debugfs entries after hwmon registration","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (corsair-cpro) Create debugfs entries after hwmon registration\n\nccp_debugfs_init() registers debugfs files whose private data is the devm\nallocated ccp.  It runs before hwmon_device_register_with_info(), so when\nthat registration fails, ccp_probe() returns with the files still in\nplace.  The HID core then frees ccp, and ccp_remove() is not called for a\nfailed probe, so nothing removes them later either.  Reading one of the\nfiles dereferences the freed pointer.\n\nCreate the debugfs entries only after the hwmon device has been\nregistered, so no failing path can leave them behind.\n\nThe two version queries stay where they are.  They send USB commands\nwithout holding ccp->mutex, which is only safe as long as nothing else\ncan call send_usb_cmd(); once the hwmon device is registered its\ncallbacks can do so concurrently.  Only the debugfs creation moves, and\nit is told which queries succeeded.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-25 11:17:24","updated_at":"2026-09-25 11:17:24"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/fdfe17cb865715aad30328678344eb79889207ab","name":"https://git.kernel.org/stable/c/fdfe17cb865715aad30328678344eb79889207ab","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/508baf1713f32f287bfb4f85d759403ec8ba35a3","name":"https://git.kernel.org/stable/c/508baf1713f32f287bfb4f85d759403ec8ba35a3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6c5d333216a937044acd3336e9ec7e30ff2eaee4","name":"https://git.kernel.org/stable/c/6c5d333216a937044acd3336e9ec7e30ff2eaee4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a58a966a440071bb877ef62535d1016952f83101","name":"https://git.kernel.org/stable/c/a58a966a440071bb877ef62535d1016952f83101","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97968","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97968","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5997eb60f896830126bc1783465b678b110e2fdd 6c5d333216a937044acd3336e9ec7e30ff2eaee4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5997eb60f896830126bc1783465b678b110e2fdd a58a966a440071bb877ef62535d1016952f83101 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5997eb60f896830126bc1783465b678b110e2fdd fdfe17cb865715aad30328678344eb79889207ab git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5997eb60f896830126bc1783465b678b110e2fdd 508baf1713f32f287bfb4f85d759403ec8ba35a3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.11","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.11 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 7.2.7 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc3 * 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/hwmon/corsair-cpro.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6c5d333216a937044acd3336e9ec7e30ff2eaee4","status":"affected","version":"5997eb60f896830126bc1783465b678b110e2fdd","versionType":"git"},{"lessThan":"a58a966a440071bb877ef62535d1016952f83101","status":"affected","version":"5997eb60f896830126bc1783465b678b110e2fdd","versionType":"git"},{"lessThan":"fdfe17cb865715aad30328678344eb79889207ab","status":"affected","version":"5997eb60f896830126bc1783465b678b110e2fdd","versionType":"git"},{"lessThan":"508baf1713f32f287bfb4f85d759403ec8ba35a3","status":"affected","version":"5997eb60f896830126bc1783465b678b110e2fdd","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/hwmon/corsair-cpro.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.11"},{"lessThan":"6.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.111","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.111","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.7","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc3","versionStartIncluding":"6.11","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (corsair-cpro) Create debugfs entries after hwmon registration\n\nccp_debugfs_init() registers debugfs files whose private data is the devm\nallocated ccp.  It runs before hwmon_device_register_with_info(), so when\nthat registration fails, ccp_probe() returns with the files still in\nplace.  The HID core then frees ccp, and ccp_remove() is not called for a\nfailed probe, so nothing removes them later either.  Reading one of the\nfiles dereferences the freed pointer.\n\nCreate the debugfs entries only after the hwmon device has been\nregistered, so no failing path can leave them behind.\n\nThe two version queries stay where they are.  They send USB commands\nwithout holding ccp->mutex, which is only safe as long as nothing else\ncan call send_usb_cmd(); once the hwmon device is registered its\ncallbacks can do so concurrently.  Only the debugfs creation moves, and\nit is told which queries succeeded."}],"providerMetadata":{"dateUpdated":"2026-09-25T10:23:09.737Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/6c5d333216a937044acd3336e9ec7e30ff2eaee4"},{"url":"https://git.kernel.org/stable/c/a58a966a440071bb877ef62535d1016952f83101"},{"url":"https://git.kernel.org/stable/c/fdfe17cb865715aad30328678344eb79889207ab"},{"url":"https://git.kernel.org/stable/c/508baf1713f32f287bfb4f85d759403ec8ba35a3"}],"title":"hwmon: (corsair-cpro) Create debugfs entries after hwmon registration","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-97968","datePublished":"2026-09-25T10:23:09.737Z","dateReserved":"2026-09-25T10:18:58.206Z","dateUpdated":"2026-09-25T10:23:09.737Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-25 11:17:24","lastModifiedDate":"2026-09-25 11:17:24","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"97968","Ordinal":"1","Title":"hwmon: (corsair-cpro) Create debugfs entries after hwmon registr","CVE":"CVE-2026-97968","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"97968","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (corsair-cpro) Create debugfs entries after hwmon registration\n\nccp_debugfs_init() registers debugfs files whose private data is the devm\nallocated ccp.  It runs before hwmon_device_register_with_info(), so when\nthat registration fails, ccp_probe() returns with the files still in\nplace.  The HID core then frees ccp, and ccp_remove() is not called for a\nfailed probe, so nothing removes them later either.  Reading one of the\nfiles dereferences the freed pointer.\n\nCreate the debugfs entries only after the hwmon device has been\nregistered, so no failing path can leave them behind.\n\nThe two version queries stay where they are.  They send USB commands\nwithout holding ccp->mutex, which is only safe as long as nothing else\ncan call send_usb_cmd(); once the hwmon device is registered its\ncallbacks can do so concurrently.  Only the debugfs creation moves, and\nit is told which queries succeeded.","Type":"Description","Title":"hwmon: (corsair-cpro) Create debugfs entries after hwmon registr"}]}}}