CVE-2026-46013

kernel: mm/memfd_luo: fix physical address conversion in put_folios cleanup

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · May 27, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel. An issue in the memfd_luo component, specifically within the put_folios cleanup path of memfd_luo_retrieve_folios(), leads to incorrect physical address conversion and a missing check for sparse file holes. This could result in incorrect memory handling, potentially causing system instability or unexpected behavior.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-681 · Incorrect Conversion between Numeric Types