CVE-2026-81017 Linux kernel - Out of Bounds Read & Write

Linux kernel platform/chrome sensorhub contains a buffer over-read and write caused by lack of validation of EC-reported sensor number in sensorhub batch_state indexing, letting attackers cause out-of-bounds memory access, exploit requires crafted EC FIFO events.

CVSS base score 8.4 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.18% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Out of Bounds Read
Impact
Denial Of Service, Data Tampering
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
11 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version with the sensor number validation fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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