{"id":"CVE-2026-89626","title":"kernel: HID: sensor: custom: Fix field sysfs group cleanup on failure (CVE-2026-89626)","summary":"A flaw was found in the Linux kernel's Human Interface Device (HID) sensor custom driver. When creating sysfs groups for custom sensor fields, the `hid_sensor_custom_add_attributes()` function fails to properly clean up previously created …","severity":"high","cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/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":"2026-09-14","sourceUpdated":"2026-09-14T13:54:18+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89626.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89626.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-89626"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2532034"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89626"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89626"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89626.mbox"},{"url":"https://git.kernel.org/stable/c/416194933af63bd58d03b7605b1ebc1711186838"},{"url":"https://git.kernel.org/stable/c/d0e15091e88d18e30b67daf85b88f6528bb9bf41"},{"url":"https://git.kernel.org/stable/c/10b05fafff932e325896d59dde40938954ab4577"},{"url":"https://git.kernel.org/stable/c/2409779f3096fcef41bcf57b5f4887d0fa0dc8dd"},{"url":"https://git.kernel.org/stable/c/79154fad98ee843e5363940841e2d831503c190a"},{"url":"https://git.kernel.org/stable/c/f3f37b937a6ea2a00fb5e6189e74f855caa43eb5"},{"url":"https://git.kernel.org/stable/c/d96f8958d4469ac02d9c563686cdd968005b944d"},{"url":"https://git.kernel.org/stable/c/3789d0802ddb4b3be04062caf4bfadd23496e9a7"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.00349,"epssPercentile":0.28627,"scores":{"vendor":7,"cna":8.8},"ingestedAt":"2026-09-14T15:23:07.450Z","slug":"CVE-2026-89626","body":"## Overview\n\nA flaw was found in the Linux kernel's Human Interface Device (HID) sensor custom driver. When creating sysfs groups for custom sensor fields, the `hid_sensor_custom_add_attributes()` function fails to properly clean up previously created groups if an error occurs. This improper resource management could lead to system instability or a denial of service (DoS) condition.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · 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 2026-09-14 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89626.json)\n\n**kernel: HID: sensor: custom: Fix field sysfs group cleanup on failure** — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-09-14.\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\nAffected","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":202776,"id":"CVE-2026-89626","ts":1789403715858,"field":"cvss","old":"8.8","new":"7"},{"seq":197832,"id":"CVE-2026-89626","ts":1789384320587,"field":"cvss","old":"4.4","new":"8.8"},{"seq":197831,"id":"CVE-2026-89626","ts":1789384320587,"field":"severity","old":"medium","new":"high"},{"seq":183397,"id":"CVE-2026-89626","ts":1789356675193,"field":"cvss","old":"8.8","new":"4.4"},{"seq":183396,"id":"CVE-2026-89626","ts":1789356675193,"field":"severity","old":"high","new":"medium"},{"seq":153462,"id":"CVE-2026-89626","ts":1789285350608,"field":"cvss","old":null,"new":"8.8"},{"seq":153461,"id":"CVE-2026-89626","ts":1789285350608,"field":"severity","old":"none","new":"high"},{"seq":109604,"id":"CVE-2026-89626","ts":1789183732587,"field":"cvss","old":null,"new":"4.4"},{"seq":109603,"id":"CVE-2026-89626","ts":1789183732587,"field":"severity","old":"none","new":"medium"}]}