CVE-2026-23474

kernel: mtd: Avoid boot crash in RedBoot partition table parser

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · April 3, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's Memory Technology Device (mtd) subsystem, specifically within the RedBoot partition table parser. A local user could trigger a buffer overflow when the system attempts to read beyond the allocated buffer size during partition table parsing. This vulnerability can lead to a system boot crash, resulting in a Denial of Service (DoS).

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-805 · Buffer Access with Incorrect Length Value