CVE-2026-89627

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89627", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.738Z", "datePublished": "2026-09-11T19:45:23.479Z", "dateUpdated": "2026-10-19T08:49:59.521Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:49:59.521Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hid/hid-roccat.c"], "versions": [{"version": "206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378", "lessThan": "cebb20b9a29cfc90bf56e54337333084f85a69dd", "status": "affected", "versionType": "git"}, {"version": "206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378", "lessThan": "690da9177e64bcfda2f4c0b5b8465178e4a236d8", "status": "affected", "versionType": "git"}, {"version": "206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378", "lessThan": "b3cc411daa50b39ba5706492a80a5a0804d9c85f", "status": "affected", "versionType": "git"}, {"version": "206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378", "lessThan": "4cb3ff31d237ad1f515455c497ef07d7172d912b", "status": "affected", "versionType": "git"}, {"version": "206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378", "lessThan": "943b8dc2c6044c01e36395f51bb809a4b6bdfd22", "status": "affected", "versionType": "git"}, {"version": "206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378", "lessThan": "da00eac19feef209c9591e48c860afc2014603be", "status": "affected", "versionType": "git"}, {"version": "206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378", "lessThan": "fbb5a60f5c31b5625f0d89a79912fbcb2559289b", "status": "affected", "versionType": "git"}, {"version": "206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378", "lessThan": "bbff0ccbff360a5498075525005f6a913239a3d7", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hid/hid-roccat.c"], "versions": [{"version": "2.6.35", "status": "affected"}, {"version": "0", "lessThan": "2.6.35", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.270", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.221", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.188", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.157", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.109", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.50", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "5.10.270"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "5.15.221"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "6.1.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "6.12.109"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/cebb20b9a29cfc90bf56e54337333084f85a69dd"}, {"url": "https://git.kernel.org/stable/c/690da9177e64bcfda2f4c0b5b8465178e4a236d8"}, {"url": "https://git.kernel.org/stable/c/b3cc411daa50b39ba5706492a80a5a0804d9c85f"}, {"url": "https://git.kernel.org/stable/c/4cb3ff31d237ad1f515455c497ef07d7172d912b"}, {"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"}}}}

{}

{"affected": [{"affectedData": [{"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": "cebb20b9a29cfc90bf56e54337333084f85a69dd", "status": "affected", "version": "206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378", "versionType": "git"}, {"lessThan": "690da9177e64bcfda2f4c0b5b8465178e4a236d8", "status": "affected", "version": "206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378", "versionType": "git"}, {"lessThan": "b3cc411daa50b39ba5706492a80a5a0804d9c85f", "status": "affected", "version": "206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378", "versionType": "git"}, {"lessThan": "4cb3ff31d237ad1f515455c497ef07d7172d912b", "status": "affected", "version": "206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378", "versionType": "git"}, {"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": "5.10.*", "status": "unaffected", "version": "5.10.270", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.221", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.188", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.157", "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", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-89627", "lastModified": "2026-10-19T09:17:59.600", "metrics": {}, "published": "2026-09-11T20:19:48.153", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4cb3ff31d237ad1f515455c497ef07d7172d912b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/690da9177e64bcfda2f4c0b5b8465178e4a236d8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/943b8dc2c6044c01e36395f51bb809a4b6bdfd22"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b3cc411daa50b39ba5706492a80a5a0804d9c85f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bbff0ccbff360a5498075525005f6a913239a3d7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cebb20b9a29cfc90bf56e54337333084f85a69dd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/da00eac19feef209c9591e48c860afc2014603be"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fbb5a60f5c31b5625f0d89a79912fbcb2559289b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel HID roccat driver: Memory leak via improper device destruction", "id": "2532449", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532449"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's HID (Human Interface Device) roccat driver. When a roccat device is destroyed, the driver fails to properly free buffered reports, leading to a memory leak. A local attacker could potentially exploit this to exhaust system memory, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-89627", "public_date": "2026-09-11T19:45:23Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-89627\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-89627\nhttps://git.kernel.org/stable/c/943b8dc2c6044c01e36395f51bb809a4b6bdfd22\nhttps://git.kernel.org/stable/c/bbff0ccbff360a5498075525005f6a913239a3d7\nhttps://git.kernel.org/stable/c/da00eac19feef209c9591e48c860afc2014603be\nhttps://git.kernel.org/stable/c/fbb5a60f5c31b5625f0d89a79912fbcb2559289b"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378,943b8dc2c6044c01e36395f51bb809a4b6bdfd22)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378,da00eac19feef209c9591e48c860afc2014603be)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378,fbb5a60f5c31b5625f0d89a79912fbcb2559289b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[206f5f2fcb5ff5bb0c60f9e9189937f3ca03e378,bbff0ccbff360a5498075525005f6a913239a3d7)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.6.35"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.35)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.109,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.50,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.4,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-12T07:45:10.711552+00:00", "updated": "2026-09-15T21:15:14.622860+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}