---
id: CVE-2022-3646
title: >-
  A vulnerability, which was classified as problematic, has been found in Linux
  Kernel
summary: >-
  A vulnerability, which was classified as problematic, has been found in Linux
  Kernel. This issue affects the function nilfs_attach_log_writer of the file
  fs/nilfs2/segment.c of the component BPF. The manipulation leads to memory
  leak. Th…
severity: low
cvss: 3.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-404
  - CWE-401
vendor: linux
product: linux_kernel
affected:
  - linux_kernel
  - debian_linux = 10.0
published: '2022-10-21'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T14:17:27.170'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-3646'
references:
  - url: >-
      https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=d0d51a97063db4704a5ef6bc978dddab1636a306
    label: cna@vuldb.com
  - url: 'https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html'
    label: cna@vuldb.com
  - url: 'https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.211961'
    label: cna@vuldb.com
  - url: >-
      https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=d0d51a97063db4704a5ef6bc978dddab1636a306
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://vuldb.com/?id.211961'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-794697.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
tags:
  - nvd
  - cve.org
epss: 0.01088
epssPercentile: 0.65158
ingestedAt: '2026-10-14T15:36:13.925Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2025-04-14T17:07:39.915979Z'
---

## Overview

A vulnerability, which was classified as problematic, has been found in Linux Kernel. This issue affects the function nilfs_attach_log_writer of the file fs/nilfs2/segment.c of the component BPF. The manipulation leads to memory leak. The attack may be initiated remotely. It is recommended to apply a patch to fix this issue. The identifier VDB-211961 was assigned to this vulnerability.

## Affected

- `linux_kernel`
- `debian_linux = 10.0`

## Remediation

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