CVE-2026-97490

kernel: affs: handle set_blocksize failures

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 24, 2026

Updated · September 30, 2026

Description

A flaw was found in the Linux kernel's Amiga Fast File System (AFFS) driver. When mounting a filesystem, the driver fails to properly handle block size configuration failures. A local user with permissions to mount filesystems could exploit this flaw by mounting a specially crafted AFFS image, triggering a kernel assertion failure that results in a system crash and Denial of Service (DoS).

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-617 · Reachable Assertion