CVE-2022-48655: firmware: arm_scmi: Harden accesses to the reset domains

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-04-28 · updated 2026-06-17
Weakness: CWE-119

Description

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Harden accesses to the reset domains Accessing reset domains descriptors by the index upon the SCMI drivers requests through the SCMI reset operations interface can potentially lead to out-of-bound violations if the SCMI driver misbehave. Add an internal consistency check before any such domains descriptors accesses.

Affected products

Debian Linux: 10.0
Linux kernel: from 5.4 before 5.4.277; from 5.5 before 5.10.218; from 5.11 before 5.15.71; from 5.16 (excl.) before 5.19.12; 6.0-rc1, 6.0-rc2, 6.0-rc3, 6.0-rc4, 6.0-rc5, 6.0-rc6 — fixed in 5.10.218, 5.15.71, 5.19.12, 5.4.277

How to fix

Upgrade to a fixed version: Linux kernel 5.10.218, 5.15.71, 5.19.12, 5.4.277. Check the vendor advisory for mitigations.

References

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