CVE-2026-52992

kernel: fs/adfs: validate nzones in adfs_validate_bblk()

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · June 24, 2026

Updated · June 26, 2026

Description

A flaw was found in the Linux kernel's Advanced Disc Filing System (ADFS) component. This vulnerability allows a local attacker to cause an out-of-bounds write by providing a specially crafted ADFS disc record with a zero zone count. This can lead to memory corruption, potentially resulting in a denial of service or other unpredictable system behavior.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-124 · Buffer Underwrite ('Buffer Underflow')