---
id: CVE-2023-45863
title: An issue was discovered in lib/kobject.c in the Linux kernel before 6.2.3
summary: >-
  An issue was discovered in lib/kobject.c in the Linux kernel before 6.2.3.
  With root access, an attacker can trigger a race condition that results in a
  fill_kobj_path out-of-bounds write.
severity: medium
cvss: 6.4
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-787
vendor: linux
product: linux_kernel
affected:
  - linux_kernel < 6.2.3
patched:
  - linux_kernel 6.2.3
published: '2023-10-14'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T01:17:09.817'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-45863'
references:
  - url: 'https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3'
    label: cve@mitre.org
  - url: >-
      https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3bb2a01caa813d3a1845d378bbe4169ef280d394
    label: cve@mitre.org
  - url: 'https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html'
    label: cve@mitre.org
  - url: 'https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html'
    label: cve@mitre.org
  - url: 'https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3bb2a01caa813d3a1845d378bbe4169ef280d394
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-613116.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-769027.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
  - 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
  - cve.org
epss: 0.00285
epssPercentile: 0.20882
ingestedAt: '2026-10-15T03:30:12.629Z'
---

## Overview

An issue was discovered in lib/kobject.c in the Linux kernel before 6.2.3. With root access, an attacker can trigger a race condition that results in a fill_kobj_path out-of-bounds write.

## Affected

- `linux_kernel < 6.2.3`

## Remediation

Upgrade past the affected range:

- `linux_kernel 6.2.3`