---
id: CVE-2024-0841
title: 'Kernel: hugetlbfs: null pointer dereference in hugetlbfs_fill_super function'
summary: >-
  A null pointer dereference flaw was found in the hugetlbfs_fill_super function
  in the Linux kernel hugetlbfs (HugeTLB pages) functionality. This issue may
  allow a local user to crash the system or potentially escalate their
  privileges on…
severity: medium
cvss: 6.6
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H'
cvssSource: cna
cwe:
  - CWE-476
vendor: Red Hat
product: kernel-rt
affected:
  - kernel-rt (all versions)
  - kernel (all versions)
  - kernel (all versions)
  - kernel (all versions)
  - kernel
  - kernel
  - kernel-rt
  - kernel-rt (all versions)
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2025-05-08T15:50:50.798864Z'
published: '2024-01-28'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T11:39:51.267Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2024-0841'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2024:2394'
    label: 'RHSA-2024:2394'
  - url: 'https://access.redhat.com/errata/RHSA-2024:2950'
    label: 'RHSA-2024:2950'
  - url: 'https://access.redhat.com/errata/RHSA-2024:3138'
    label: 'RHSA-2024:3138'
  - url: 'https://access.redhat.com/security/cve/CVE-2024-0841'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2256490'
    label: RHBZ#2256490
tags:
  - cve.org
epss: 0.00298
epssPercentile: 0.22575
ingestedAt: '2026-11-05T21:36:00.819Z'
---

## Overview

A null pointer dereference flaw was found in the hugetlbfs_fill_super function in the Linux kernel hugetlbfs (HugeTLB pages) functionality. This issue may allow a local user to crash the system or potentially escalate their privileges on the system.

## Affected

- `kernel-rt (all versions)`
- `kernel (all versions)`
- `kernel (all versions)`
- `kernel (all versions)`
- `kernel`
- `kernel`
- `kernel-rt`
- `kernel-rt (all versions)`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

### Workarounds

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