CVE-2026-98892

high

Description

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Validate BASE_ERROR_EVENT payload size BASE_ERROR_EVENT carries a variable number of message reports, with the count encoded in error_status. The notification parser used that count without checking whether the received payload contained all reported entries. Reject truncated payloads before copying the report array.

References

https://git.kernel.org/stable/c/cb77a50d1114c0c9e084176301a8e094d383edfa

https://git.kernel.org/stable/c/c0742f23ec13fb6f5e0cd884323467a6c127d3c2

https://git.kernel.org/stable/c/bd8bc95ef2daa3bac56197cffcbf2d4c5ed42216

https://git.kernel.org/stable/c/890a9c3bf9dae90dcabded9d8e10c708a13779f7

https://git.kernel.org/stable/c/56e7e64cdd0e7209a58c8ec66028d63387402919

https://git.kernel.org/stable/c/4a754704698017ced0b657c92b468035faad00ed

https://git.kernel.org/stable/c/28d65a0a46435d48b96b6943c518095dff1602a1

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-108686

Details

Source: Mitre, NVD

Published: 2026-10-23

Updated: 2026-10-23

Risk Information

CVSS v2

Base Score: 6.2

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.1

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Severity: High

EPSS

EPSS: 0.00215