{"id":"CVE-2026-81006","title":"ipmi: Remove all sysfs files on registration failure","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nipmi: Remove all sysfs files on registration failure\n\nipmi_add_smi() creates the nr_users and nr_msgs files before trying to\ncreate the maintenance_mode file. If that l…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-825"],"vendor":"Linux","product":"Linux","affected":["Linux >= 627118470fccc61d7763aa667fcab0a9476843f6 < d46c97eddcbc53ca885e8bb359930c58884616ff","Linux >= 627118470fccc61d7763aa667fcab0a9476843f6 < b115b7d06f26b3f000d2afda88acb54c7a7cb2c9","Linux >= 627118470fccc61d7763aa667fcab0a9476843f6 < b6c46ab0bdee90c238e96ea4a74972118c97900d","Linux 6.18"],"published":"2026-09-11","updated":"2026-10-19","sourceUpdated":"2026-10-19T08:46:31.551Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-81006","references":[{"url":"https://git.kernel.org/stable/c/d46c97eddcbc53ca885e8bb359930c58884616ff"},{"url":"https://git.kernel.org/stable/c/b115b7d06f26b3f000d2afda88acb54c7a7cb2c9"},{"url":"https://git.kernel.org/stable/c/b6c46ab0bdee90c238e96ea4a74972118c97900d"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-81006.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-81006"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2532053"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-81006"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81006"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-81006.mbox"}],"tags":["cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.00127,"epssPercentile":0.02376,"scores":{"cna":7.8,"vendor":5.5},"ingestedAt":"2026-09-14T15:23:07.475Z","slug":"CVE-2026-81006","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nipmi: Remove all sysfs files on registration failure\n\nipmi_add_smi() creates the nr_users and nr_msgs files before trying to\ncreate the maintenance_mode file. If that last creation fails, the error\npath removes only nr_users before dropping the final reference to the\ninterface.\n\nRemove nr_msgs as well so no sysfs attribute embedded in the freed\ninterface remains registered.\n\n## Affected\n\n- `Linux >= 627118470fccc61d7763aa667fcab0a9476843f6 < d46c97eddcbc53ca885e8bb359930c58884616ff`\n- `Linux >= 627118470fccc61d7763aa667fcab0a9476843f6 < b115b7d06f26b3f000d2afda88acb54c7a7cb2c9`\n- `Linux >= 627118470fccc61d7763aa667fcab0a9476843f6 < b6c46ab0bdee90c238e96ea4a74972118c97900d`\n- `Linux 6.18`\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 · updated 2026-09-14 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-81006.json)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":224777,"id":"CVE-2026-81006","ts":1792401535757,"field":"cvss","old":"5.5","new":"7.8"},{"seq":224776,"id":"CVE-2026-81006","ts":1792401535757,"field":"severity","old":"medium","new":"high"},{"seq":204138,"id":"CVE-2026-81006","ts":1789490232038,"field":"cvss","old":"4.7","new":"5.5"},{"seq":202921,"id":"CVE-2026-81006","ts":1789403732958,"field":"cvss","old":"7.8","new":"4.7"},{"seq":202920,"id":"CVE-2026-81006","ts":1789403732958,"field":"severity","old":"high","new":"medium"},{"seq":183568,"id":"CVE-2026-81006","ts":1789356675920,"field":"cvss","old":"7.8","new":"4.7"},{"seq":183567,"id":"CVE-2026-81006","ts":1789356675920,"field":"severity","old":"high","new":"medium"},{"seq":153200,"id":"CVE-2026-81006","ts":1789285349521,"field":"cvss","old":null,"new":"7.8"},{"seq":153199,"id":"CVE-2026-81006","ts":1789285349521,"field":"severity","old":"none","new":"high"},{"seq":109566,"id":"CVE-2026-81006","ts":1789183732439,"field":"cvss","old":null,"new":"4.7"},{"seq":109565,"id":"CVE-2026-81006","ts":1789183732439,"field":"severity","old":"none","new":"medium"}]}