---
id: CVE-2024-35936
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  btrfs: handle chunk tree lookup error in btrfs_relocate_sys_chunks()

  The unhandled case in btrfs_relocate_sys_chunks() loop is a corruption,
  as it could be caused only…
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  btrfs: handle chunk tree lookup error in btrfs_relocate_sys_chunks()

  The unhandled case in btrfs_relocate_sys_chunks() loop is a corruption,
  as it could be caused only…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
vendor: linux
product: linux_kernel
affected:
  - linux_kernel < 4.19.312
  - 'linux_kernel >= 4.20, < 5.4.274'
  - 'linux_kernel >= 5.5, < 5.10.215'
  - 'linux_kernel >= 5.11, < 5.15.155'
  - 'linux_kernel >= 5.16, < 6.1.86'
  - 'linux_kernel >= 6.2, < 6.6.27'
  - 'linux_kernel >= 6.7, < 6.8.6'
  - debian_linux = 10.0
patched:
  - linux_kernel 6.8.6
published: '2024-05-19'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T01:17:54.220'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2024-35936'
references:
  - url: 'https://git.kernel.org/stable/c/0d23b34c68c46cd225b55868bc8a269e3134816d'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/1f9212cdbd005bc55f2b7422e7b560d9c02bd1da'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/36c2a2863bc3896243eb724dc3fd4cf9aea633f2'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/576164bd01bd795f8b09fb194b493103506b33c9'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/7411055db5ce64f836aaffd422396af0075fdc99'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/87299cdaae757f3f41212146cfb5b3af416b8385'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/bebd9e0ff90034875c5dfe4bd514fd7055fc7a89'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/d1ffa4ae2d591fdd40471074e79954ec45f147f7'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/0d23b34c68c46cd225b55868bc8a269e3134816d'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://git.kernel.org/stable/c/1f9212cdbd005bc55f2b7422e7b560d9c02bd1da'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://git.kernel.org/stable/c/36c2a2863bc3896243eb724dc3fd4cf9aea633f2'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://git.kernel.org/stable/c/576164bd01bd795f8b09fb194b493103506b33c9'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://git.kernel.org/stable/c/7411055db5ce64f836aaffd422396af0075fdc99'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://git.kernel.org/stable/c/87299cdaae757f3f41212146cfb5b3af416b8385'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://git.kernel.org/stable/c/bebd9e0ff90034875c5dfe4bd514fd7055fc7a89'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://git.kernel.org/stable/c/d1ffa4ae2d591fdd40471074e79954ec45f147f7'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-265688.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
tags:
  - nvd
  - cve.org
epss: 0.00232
epssPercentile: 0.1398
ingestedAt: '2026-10-15T03:30:12.690Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2024-05-20T17:12:29.915009Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

btrfs: handle chunk tree lookup error in btrfs_relocate_sys_chunks()

The unhandled case in btrfs_relocate_sys_chunks() loop is a corruption,
as it could be caused only by two impossible conditions:

- at first the search key is set up to look for a chunk tree item, with
  offset -1, this is an inexact search and the key->offset will contain
  the correct offset upon a successful search, a valid chunk tree item
  cannot have an offset -1

- after first successful search, the found_key corresponds to a chunk
  item, the offset is decremented by 1 before the next loop, it's
  impossible to find a chunk item there due to alignment and size
  constraints

## Affected

- `linux_kernel < 4.19.312`
- `linux_kernel >= 4.20, < 5.4.274`
- `linux_kernel >= 5.5, < 5.10.215`
- `linux_kernel >= 5.11, < 5.15.155`
- `linux_kernel >= 5.16, < 6.1.86`
- `linux_kernel >= 6.2, < 6.6.27`
- `linux_kernel >= 6.7, < 6.8.6`
- `debian_linux = 10.0`

## Remediation

Upgrade past the affected range:

- `linux_kernel 6.8.6`