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CVE-2024-41021

kernel: s390/mm: Fix VM_FAULT_HWPOISON handling in do_exception()

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Severity

Low

Red Hat Product Security

3.3

CVSS 3.1

Review impact separately from score.

Published · July 29, 2024

Updated · February 2, 2026

Description

A vulnerability was found in the Linux kernel in the function do_fault_error() where it is possible for a VM_FAULT_HWPOISON memory fault to appear in combination with PTE_MARKER_POISONED, even though the s390 architecture does not support HWPOISON. This can result in improper memory management and lead to crashes or kernel panics.

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 · 3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE-248 · Uncaught Exception