{"id":"CVE-2026-89626","title":"HID: sensor: custom: Fix field sysfs group cleanup on failure","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: sensor: custom: Fix field sysfs group cleanup on failure\n\nhid_sensor_custom_add_attributes() creates one sysfs group for each\ncustom sensor field. If sysfs_create_…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-772"],"vendor":"Linux","product":"Linux","affected":["Linux >= 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d < 416194933af63bd58d03b7605b1ebc1711186838","Linux >= 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d < d0e15091e88d18e30b67daf85b88f6528bb9bf41","Linux >= 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d < 10b05fafff932e325896d59dde40938954ab4577","Linux >= 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d < 2409779f3096fcef41bcf57b5f4887d0fa0dc8dd","Linux >= 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d < 79154fad98ee843e5363940841e2d831503c190a","Linux >= 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d < f3f37b937a6ea2a00fb5e6189e74f855caa43eb5","Linux >= 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d < d96f8958d4469ac02d9c563686cdd968005b944d","Linux >= 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d < 3789d0802ddb4b3be04062caf4bfadd23496e9a7","Linux 4.1"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T19:24:35.586739Z"},"published":"2026-09-11","updated":"2026-10-19","sourceUpdated":"2026-10-19T08:49:58.552Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89626","references":[{"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"},{"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"}],"tags":["cve.org","csaf","vex","red-hat"],"epss":0.00354,"epssPercentile":0.28951,"scores":{"cna":8.8,"vendor":7},"ingestedAt":"2026-09-14T15:23:07.450Z","slug":"CVE-2026-89626","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nHID: sensor: custom: Fix field sysfs group cleanup on failure\n\nhid_sensor_custom_add_attributes() creates one sysfs group for each\ncustom sensor field. If sysfs_create_group() fails after some groups\nhave already been created, the function returns the error without\nremoving the previously created groups.\n\nAdd a local unwind path to remove the groups that were already created.\nWith enable_sensor exposed only after the field attributes are ready,\nthis path can free sensor_inst->fields without leaving enable_sensor\nable to access pointers into that array.\n\n## Affected\n\n- `Linux >= 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d < 416194933af63bd58d03b7605b1ebc1711186838`\n- `Linux >= 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d < d0e15091e88d18e30b67daf85b88f6528bb9bf41`\n- `Linux >= 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d < 10b05fafff932e325896d59dde40938954ab4577`\n- `Linux >= 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d < 2409779f3096fcef41bcf57b5f4887d0fa0dc8dd`\n- `Linux >= 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d < 79154fad98ee843e5363940841e2d831503c190a`\n- `Linux >= 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d < f3f37b937a6ea2a00fb5e6189e74f855caa43eb5`\n- `Linux >= 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d < d96f8958d4469ac02d9c563686cdd968005b944d`\n- `Linux >= 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d < 3789d0802ddb4b3be04062caf4bfadd23496e9a7`\n- `Linux 4.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\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)","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":223276,"id":"CVE-2026-89626","ts":1792180038900,"field":"cvss","old":"7","new":"8.8"},{"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"}]}