CVE-2026-80649

firmware: arm_scmi: Fix OOB in scmi_power_name_get()

HIGH

7.8

CVSS Score

Published: August 28, 2026 at 06:48 AM UTC

Updated: August 29, 2026 at 07:16 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

HIGH7.8

Exploit prediction

EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Fix OOB in scmi_power_name_get() scmi_power_name_get() does not validate the domain number passed by the external caller, which may lead to an out-of-bounds access. Fix this by returning "unknown" for invalid domains, like scmi_reset_name_get() does.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

4.17 ≤ v < 5.15.2124.17 ≤ v < 6.1.1784.17 ≤ v < 6.12.974.17 ≤ v < 6.18.404.17 ≤ v < 6.6.1454.17 ≤ v < 7.1.54.17 ≤ v < 7.24.1776a6550990e296a7acbb4d33201c9740be912a8c

Vendor states this is fixed in 01613f5e4ff6c080260615392338e92e261d109b (fixed)

Vendor states this is fixed in 0db2bb3c948ef8b7364768554d6ab5e1544dc441 (fixed)

Vendor states this is fixed in 11bb771f3c55b4cef3879e69da4ddecd6085569c (fixed)

Vendor states this is fixed in 11daac2817dca75e3eabb2050bc620c29e686fcd (fixed)

Vendor states this is fixed in 30aa348494531adfb043b2e883afc0439e5fcdca (fixed)

Vendor states this is fixed in ca94597440fa546e56293abe9d0af6c73535d44e (fixed)

Vendor states this is fixed in f9ef3f66f4b18078e464b7606f9497e4dbeb9905 (fixed)

Vendor states this is fixed in 4.17 (unaffected)

Vendor states this is fixed in 5.15.212 (unaffected)

Vendor states this is fixed in 6.1.178 (unaffected)

Vendor states this is fixed in 6.12.97 (unaffected)

Vendor states this is fixed in 6.18.40 (unaffected)