{"id":"CVE-2026-81017","title":"kernel: platform/chrome: sensorhub: Bound the EC-reported sensor number (CVE-2026-81017)","summary":"A flaw was found in the Linux kernel's `sensorhub` component. A local attacker could provide a maliciously crafted sensor number in an EC FIFO event. This unchecked sensor number could lead to an out-of-bounds read and write in the `batch_…","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-787","vendor":"Red Hat","product":"Linux","affected":["Linux >= 145d59baff5944b71551ac518d7fd7d377a9c820 < 3a76b87e1d065183e2e7ae5b800cb1f6e84f543d","Linux >= 145d59baff5944b71551ac518d7fd7d377a9c820 < 2b602ecf6193ecb9720c78b6728d7e09370b1ff1","Linux >= 145d59baff5944b71551ac518d7fd7d377a9c820 < 324880f94ba3c6269a607e04f78a4dd4a66b3f53","Linux >= 145d59baff5944b71551ac518d7fd7d377a9c820 < d1b4add68dabfdd6481a4fa198bf3b473d2634d7","Linux >= 145d59baff5944b71551ac518d7fd7d377a9c820 < 3d2636dce0a8fe9eecad29010699847be425dc80","Linux >= 145d59baff5944b71551ac518d7fd7d377a9c820 < 5eaf7faa99578ae090030d1e2e6ea3b37a615496","Linux >= 145d59baff5944b71551ac518d7fd7d377a9c820 < 4d9bf63ed74f859c6698bc01d8fb216ef9253867","Linux >= 145d59baff5944b71551ac518d7fd7d377a9c820 < 833740a2333c2e4db4e02e3d0ffba04e8718a5f3","Linux 5.7"],"published":"2026-09-11","updated":"2026-09-14","sourceUpdated":"2026-09-14T21:28:10+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-81017.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-81017.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-81017"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2532430"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-81017"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81017"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-81017.mbox"},{"url":"https://git.kernel.org/stable/c/3a76b87e1d065183e2e7ae5b800cb1f6e84f543d"},{"url":"https://git.kernel.org/stable/c/2b602ecf6193ecb9720c78b6728d7e09370b1ff1"},{"url":"https://git.kernel.org/stable/c/324880f94ba3c6269a607e04f78a4dd4a66b3f53"},{"url":"https://git.kernel.org/stable/c/d1b4add68dabfdd6481a4fa198bf3b473d2634d7"},{"url":"https://git.kernel.org/stable/c/3d2636dce0a8fe9eecad29010699847be425dc80"},{"url":"https://git.kernel.org/stable/c/5eaf7faa99578ae090030d1e2e6ea3b37a615496"},{"url":"https://git.kernel.org/stable/c/4d9bf63ed74f859c6698bc01d8fb216ef9253867"},{"url":"https://git.kernel.org/stable/c/833740a2333c2e4db4e02e3d0ffba04e8718a5f3"}],"tags":["csaf","vex","red-hat","cve.org","score-dispute"],"epss":0.00182,"epssPercentile":0.08075,"scores":{"vendor":5.5,"cna":8.4},"ingestedAt":"2026-09-14T15:23:07.454Z","slug":"CVE-2026-81017","body":"## Overview\n\nA flaw was found in the Linux kernel's `sensorhub` component. A local attacker could provide a maliciously crafted sensor number in an EC FIFO event. This unchecked sensor number could lead to an out-of-bounds read and write in the `batch_state` array, potentially causing memory corruption or system instability.\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-2026-81017.json)\n\n**kernel: platform/chrome: sensorhub: Bound the EC-reported sensor number** — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-09-14.\n\nNot affected:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 6\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\n## Remediation\n\nRefer to the advisory for fix availability.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":204124,"id":"CVE-2026-81017","ts":1789490231802,"field":"cvss","old":"8.4","new":"5.5"},{"seq":204123,"id":"CVE-2026-81017","ts":1789490231802,"field":"severity","old":"high","new":"medium"},{"seq":183550,"id":"CVE-2026-81017","ts":1789356675846,"field":"cvss","old":"8.4","new":"6.6"},{"seq":183549,"id":"CVE-2026-81017","ts":1789356675846,"field":"severity","old":"high","new":"medium"},{"seq":153216,"id":"CVE-2026-81017","ts":1789285349586,"field":"cvss","old":null,"new":"8.4"},{"seq":153215,"id":"CVE-2026-81017","ts":1789285349586,"field":"severity","old":"none","new":"high"},{"seq":147239,"id":"CVE-2026-81017","ts":1789270203598,"field":"cvss","old":null,"new":"6.6"},{"seq":147238,"id":"CVE-2026-81017","ts":1789270203598,"field":"severity","old":"none","new":"medium"},{"seq":108992,"id":"CVE-2026-81017","ts":1789183729870,"field":"cvss","old":null,"new":"6.6"},{"seq":108991,"id":"CVE-2026-81017","ts":1789183729870,"field":"severity","old":"none","new":"medium"}]}