{"api_version":"1","generated_at":"2026-09-14T03:10:48+00:00","cve":"CVE-2026-89627","urls":{"html":"https://cve.report/CVE-2026-89627","api":"https://cve.report/api/cve/CVE-2026-89627.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-89627","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-89627"},"summary":{"title":"HID: roccat: free buffered reports when destroying device","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: roccat: free buffered reports when destroying device\n\nroccat_report_event() duplicates each report with kmemdup() and stores\nthe allocation in a circular-buffer slot. The allocation is released only\nwhen that slot is reused.\n\nThe device destruction paths free struct roccat_device without releasing\nreports still stored in cbuf[]. This makes those allocations unreachable\nand leaks up to ROCCAT_CBUF_SIZE report buffers per device.\n\nAdd a small destructor that frees every buffered report before freeing the\ndevice, and use it in both paths that can destroy a registered device.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-11 20:19:48","updated_at":"2026-09-11 20:19:48"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/943b8dc2c6044c01e36395f51bb809a4b6bdfd22","name":"https://git.kernel.org/stable/c/943b8dc2c6044c01e36395f51bb809a4b6bdfd22","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/da00eac19feef209c9591e48c860afc2014603be","name":"https://git.kernel.org/stable/c/da00eac19feef209c9591e48c860afc2014603be","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fbb5a60f5c31b5625f0d89a79912fbcb2559289b","name":"https://git.kernel.org/stable/c/fbb5a60f5c31b5625f0d89a79912fbcb2559289b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bbff0ccbff360a5498075525005f6a913239a3d7","name":"https://git.kernel.org/stable/c/bbff0ccbff360a5498075525005f6a913239a3d7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89627","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89627","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378 943b8dc2c6044c01e36395f51bb809a4b6bdfd22 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378 da00eac19feef209c9591e48c860afc2014603be git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378 fbb5a60f5c31b5625f0d89a79912fbcb2559289b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378 bbff0ccbff360a5498075525005f6a913239a3d7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2.6.35","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 2.6.35 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.109 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.50 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.4 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":"89627","cve":"CVE-2026-89627","epss":"0.002000000","percentile":"0.099320000","score_date":"2026-09-13","updated_at":"2026-09-14 00:18:02"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/hid/hid-roccat.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"943b8dc2c6044c01e36395f51bb809a4b6bdfd22","status":"affected","version":"206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378","versionType":"git"},{"lessThan":"da00eac19feef209c9591e48c860afc2014603be","status":"affected","version":"206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378","versionType":"git"},{"lessThan":"fbb5a60f5c31b5625f0d89a79912fbcb2559289b","status":"affected","version":"206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378","versionType":"git"},{"lessThan":"bbff0ccbff360a5498075525005f6a913239a3d7","status":"affected","version":"206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/hid/hid-roccat.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.35"},{"lessThan":"2.6.35","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.109","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.50","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.4","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":"6.12.109","versionStartIncluding":"2.6.35","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.50","versionStartIncluding":"2.6.35","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.4","versionStartIncluding":"2.6.35","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"2.6.35","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: roccat: free buffered reports when destroying device\n\nroccat_report_event() duplicates each report with kmemdup() and stores\nthe allocation in a circular-buffer slot. The allocation is released only\nwhen that slot is reused.\n\nThe device destruction paths free struct roccat_device without releasing\nreports still stored in cbuf[]. This makes those allocations unreachable\nand leaks up to ROCCAT_CBUF_SIZE report buffers per device.\n\nAdd a small destructor that frees every buffered report before freeing the\ndevice, and use it in both paths that can destroy a registered device."}],"providerMetadata":{"dateUpdated":"2026-09-11T19:45:23.479Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/943b8dc2c6044c01e36395f51bb809a4b6bdfd22"},{"url":"https://git.kernel.org/stable/c/da00eac19feef209c9591e48c860afc2014603be"},{"url":"https://git.kernel.org/stable/c/fbb5a60f5c31b5625f0d89a79912fbcb2559289b"},{"url":"https://git.kernel.org/stable/c/bbff0ccbff360a5498075525005f6a913239a3d7"}],"title":"HID: roccat: free buffered reports when destroying device","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-89627","datePublished":"2026-09-11T19:45:23.479Z","dateReserved":"2026-09-11T19:38:34.738Z","dateUpdated":"2026-09-11T19:45:23.479Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-11 20:19:48","lastModifiedDate":"2026-09-11 20:19:48","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"89627","Ordinal":"1","Title":"HID: roccat: free buffered reports when destroying device","CVE":"CVE-2026-89627","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"89627","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: roccat: free buffered reports when destroying device\n\nroccat_report_event() duplicates each report with kmemdup() and stores\nthe allocation in a circular-buffer slot. The allocation is released only\nwhen that slot is reused.\n\nThe device destruction paths free struct roccat_device without releasing\nreports still stored in cbuf[]. This makes those allocations unreachable\nand leaks up to ROCCAT_CBUF_SIZE report buffers per device.\n\nAdd a small destructor that frees every buffered report before freeing the\ndevice, and use it in both paths that can destroy a registered device.","Type":"Description","Title":"HID: roccat: free buffered reports when destroying device"}]}}}