{"id":"CVE-2026-89627","title":"kernel: HID: roccat: free buffered reports when destroying device (CVE-2026-89627)","summary":"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 …","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":"CWE-772","vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","affected":["enterprise_linux 10","enterprise_linux 7","enterprise_linux 8","enterprise_linux 9","openshift_container_platform 4"],"published":"2026-09-11","updated":"2026-09-15","sourceUpdated":"2026-09-15T14:06:08+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89627.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89627.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-89627"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2532449"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89627"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89627"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89627.mbox"},{"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"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.0021,"epssPercentile":0.11547,"ingestedAt":"2026-09-14T15:23:07.450Z","slug":"CVE-2026-89627","body":"## Overview\n\nA 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).\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, … · updated 2026-09-15 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89627.json)\n\n**kernel: HID: roccat: free buffered reports when destroying device** — rated Low by Red Hat. Released 2026-09-11, updated 2026-09-15.\n\nAffected:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 7\n- Red Hat Enterprise Linux 8\n- Red Hat Enterprise Linux 9\n- Red Hat OpenShift Container Platform 4\n\nNo fix planned:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 7\n- Red Hat Enterprise Linux 8\n- Red Hat Enterprise Linux 9\n- Red Hat OpenShift Container Platform 4\n\nNot affected:\n\n- Red Hat Enterprise Linux 6\n\n## Remediation\n\nFix deferred","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":203852,"id":"CVE-2026-89627","ts":1789490210154,"field":"cvss","old":null,"new":"5.5"},{"seq":203851,"id":"CVE-2026-89627","ts":1789490210154,"field":"severity","old":"none","new":"medium"},{"seq":147093,"id":"CVE-2026-89627","ts":1789270195139,"field":"cvss","old":null,"new":"3.3"},{"seq":147092,"id":"CVE-2026-89627","ts":1789270195139,"field":"severity","old":"none","new":"low"},{"seq":108846,"id":"CVE-2026-89627","ts":1789183729229,"field":"cvss","old":null,"new":"3.3"},{"seq":108845,"id":"CVE-2026-89627","ts":1789183729229,"field":"severity","old":"none","new":"low"}]}