---
id: CVE-2023-2898
title: >-
  There is a null-pointer-dereference flaw found in f2fs_write_end_io in
  fs/f2fs/data.c in the Linux kernel
summary: >-
  There is a null-pointer-dereference flaw found in f2fs_write_end_io in
  fs/f2fs/data.c in the Linux kernel. This flaw allows a local privileged user
  to cause a denial of service problem.
severity: medium
cvss: 4.7
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-476
  - CWE-362
  - CWE-476
vendor: linux
product: linux_kernel
affected:
  - linux_kernel
  - debian_linux = 10.0
  - debian_linux = 11.0
  - debian_linux = 12.0
  - h300s_firmware
  - h500s_firmware
  - h700s_firmware
  - h410s_firmware
  - h410c_firmware
published: '2023-05-26'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T21:17:15.437'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-2898'
references:
  - url: 'https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html'
    label: secalert@redhat.com
  - url: >-
      https://lore.kernel.org/linux-f2fs-devel/20230522124203.3838360-1-chao%40kernel.org/
    label: secalert@redhat.com
  - url: 'https://security.netapp.com/advisory/ntap-20230929-0002/'
    label: secalert@redhat.com
  - url: 'https://www.debian.org/security/2023/dsa-5480'
    label: secalert@redhat.com
  - url: 'https://www.debian.org/security/2023/dsa-5492'
    label: secalert@redhat.com
  - url: 'https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://lore.kernel.org/linux-f2fs-devel/20230522124203.3838360-1-chao%40kernel.org/
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://security.netapp.com/advisory/ntap-20230929-0002/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.debian.org/security/2023/dsa-5480'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.debian.org/security/2023/dsa-5492'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-794697.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-831302.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
tags:
  - nvd
epss: 0.00189
epssPercentile: 0.07922
ingestedAt: '2026-10-14T21:57:04.732Z'
---

## Overview

There is a null-pointer-dereference flaw found in f2fs_write_end_io in fs/f2fs/data.c in the Linux kernel. This flaw allows a local privileged user to cause a denial of service problem.

## Affected

- `linux_kernel`
- `debian_linux = 10.0`
- `debian_linux = 11.0`
- `debian_linux = 12.0`
- `h300s_firmware`
- `h500s_firmware`
- `h700s_firmware`
- `h410s_firmware`
- `h410c_firmware`

## Remediation

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