---
id: CVE-2026-98902
title: 'md/raid5: let stripe batch bm_seq comparison wrap-safe'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  md/raid5: let stripe batch bm_seq comparison wrap-safe

  Once the 32-bit seq wraps, a newer bm_seq can look smaller
  than old, so .. covert to wrap-safe calculate way.
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <
    647c7289a3960118e249c0a53da6f1ebba1e47a3
  - >-
    Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <
    ffdd3aee932fc293456678f6b0200ffe9bf12a6d
  - >-
    Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <
    628b14d0744bd5dfe176ea93559071cdcde14255
  - >-
    Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <
    2fdc51228d9a8cad2d727d5aef732cc66fc6d56e
  - >-
    Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <
    c5c89e1a872a84019f674f5107111e6e6b7cc30f
  - >-
    Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <
    cc8eb1715673de850f14376782151f68f73ae3ce
  - >-
    Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <
    00e93faf4cea9e8802ac5dfee0952d84fc95c40f
  - Linux < 5.10.271
  - Linux < 5.15.222
  - Linux < 6.1.189
  - Linux < 6.6.158
  - Linux < 6.12.111
  - Linux < 6.18.53
  - Linux (all versions)
published: '2026-10-23'
updated: '2026-10-23'
sourceUpdated: '2026-10-23T11:54:12.635Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-98902'
references:
  - url: 'https://git.kernel.org/stable/c/647c7289a3960118e249c0a53da6f1ebba1e47a3'
  - url: 'https://git.kernel.org/stable/c/ffdd3aee932fc293456678f6b0200ffe9bf12a6d'
  - url: 'https://git.kernel.org/stable/c/628b14d0744bd5dfe176ea93559071cdcde14255'
  - url: 'https://git.kernel.org/stable/c/2fdc51228d9a8cad2d727d5aef732cc66fc6d56e'
  - url: 'https://git.kernel.org/stable/c/c5c89e1a872a84019f674f5107111e6e6b7cc30f'
  - url: 'https://git.kernel.org/stable/c/cc8eb1715673de850f14376782151f68f73ae3ce'
  - url: 'https://git.kernel.org/stable/c/00e93faf4cea9e8802ac5dfee0952d84fc95c40f'
tags:
  - cve.org
ingestedAt: '2026-10-23T13:24:55.575Z'
---

## Overview

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

md/raid5: let stripe batch bm_seq comparison wrap-safe

Once the 32-bit seq wraps, a newer bm_seq can look smaller
than old, so .. covert to wrap-safe calculate way.

## Affected

- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 647c7289a3960118e249c0a53da6f1ebba1e47a3`
- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ffdd3aee932fc293456678f6b0200ffe9bf12a6d`
- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 628b14d0744bd5dfe176ea93559071cdcde14255`
- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2fdc51228d9a8cad2d727d5aef732cc66fc6d56e`
- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c5c89e1a872a84019f674f5107111e6e6b7cc30f`
- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < cc8eb1715673de850f14376782151f68f73ae3ce`
- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 00e93faf4cea9e8802ac5dfee0952d84fc95c40f`
- `Linux < 5.10.271`
- `Linux < 5.15.222`
- `Linux < 6.1.189`
- `Linux < 6.6.158`
- `Linux < 6.12.111`
- `Linux < 6.18.53`
- `Linux (all versions)`

## Remediation

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