CVE Database›Document archive›CVE-2024-40914

CVE-2024-40914

kernel: mm/huge_memory: don't unpoison huge_zero_folio

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Severity

Moderate

Red Hat Product Security

4.7

CVSS 3.1

Review impact separately from score.

Published · July 12, 2024

Updated · February 2, 2026

Description

A vulnerability was found in the Linux kernel's memory management component in the unpoison_memory() function, where it involves improper handling of huge_zero_folio when memory failures occur, which can lead to a kernel panic due to an erroneous reference count.

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

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 4.7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-911 · Improper Update of Reference Count