CVE-2026-64252

kernel: MIPS: DEC: Prevent initial console buffer from landing in XKPHYS

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Severity

Low

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · July 24, 2026

Updated · October 20, 2026

Description

A flaw was found in the Linux kernel DEC MIPS console setup. The initial console buffer can sit in the 64-bit XKPHYS segment and is then truncated by 32-bit firmware, which crashes the kernel during boot. MIPS is not a Red Hat architecture.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-823 · Use of Out-of-range Pointer Offset