---
id: CVE-2023-53521
title: 'scsi: ses: Fix slab-out-of-bounds in ses_intf_remove()'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  scsi: ses: Fix slab-out-of-bounds in ses_intf_remove()

  A fix for:

  BUG: KASAN: slab-out-of-bounds in ses_intf_remove+0x23f/0x270 [ses]
  Read of size 8 at addr ffff88a10…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 9927c68864e9c39cc317b4f559309ba29e642168 <
    76f7050537476ac062ec23a544fbca8270f2d08b
  - >-
    Linux >= 9927c68864e9c39cc317b4f559309ba29e642168 <
    87e47be38d205df338c52ead43f23b2864567423
  - >-
    Linux >= 9927c68864e9c39cc317b4f559309ba29e642168 <
    40af9a6deed723485e05b7d3255a28750692e8db
  - >-
    Linux >= 9927c68864e9c39cc317b4f559309ba29e642168 <
    8f9542cad6c27297c8391de3a659f0b7948495d0
  - >-
    Linux >= 9927c68864e9c39cc317b4f559309ba29e642168 <
    0595cdb587726b4f0fa780eb7462e3679d141e82
  - >-
    Linux >= 9927c68864e9c39cc317b4f559309ba29e642168 <
    82143faf01dda831b89eccef60c39ef8575ab08a
  - >-
    Linux >= 9927c68864e9c39cc317b4f559309ba29e642168 <
    2fb1fa8425cce2dc4dce298275d22d7077694b73
  - >-
    Linux >= 9927c68864e9c39cc317b4f559309ba29e642168 <
    578797f0c8cbc2e3ec5fc0dab87087b4c7073686
  - Linux 2.6.25
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-05T20:23:00.440122Z'
published: '2025-10-01'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T20:31:13.160Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2023-53521'
references:
  - url: 'https://git.kernel.org/stable/c/76f7050537476ac062ec23a544fbca8270f2d08b'
  - url: 'https://git.kernel.org/stable/c/87e47be38d205df338c52ead43f23b2864567423'
  - url: 'https://git.kernel.org/stable/c/40af9a6deed723485e05b7d3255a28750692e8db'
  - url: 'https://git.kernel.org/stable/c/8f9542cad6c27297c8391de3a659f0b7948495d0'
  - url: 'https://git.kernel.org/stable/c/0595cdb587726b4f0fa780eb7462e3679d141e82'
  - url: 'https://git.kernel.org/stable/c/82143faf01dda831b89eccef60c39ef8575ab08a'
  - url: 'https://git.kernel.org/stable/c/2fb1fa8425cce2dc4dce298275d22d7077694b73'
  - url: 'https://git.kernel.org/stable/c/578797f0c8cbc2e3ec5fc0dab87087b4c7073686'
tags:
  - cve.org
epss: 0.00152
epssPercentile: 0.04427
ingestedAt: '2026-11-05T22:38:31.807Z'
---

## Overview

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

scsi: ses: Fix slab-out-of-bounds in ses_intf_remove()

A fix for:

BUG: KASAN: slab-out-of-bounds in ses_intf_remove+0x23f/0x270 [ses]
Read of size 8 at addr ffff88a10d32e5d8 by task rmmod/12013

When edev->components is zero, accessing edev->component[0] members is
wrong.

## Affected

- `Linux >= 9927c68864e9c39cc317b4f559309ba29e642168 < 76f7050537476ac062ec23a544fbca8270f2d08b`
- `Linux >= 9927c68864e9c39cc317b4f559309ba29e642168 < 87e47be38d205df338c52ead43f23b2864567423`
- `Linux >= 9927c68864e9c39cc317b4f559309ba29e642168 < 40af9a6deed723485e05b7d3255a28750692e8db`
- `Linux >= 9927c68864e9c39cc317b4f559309ba29e642168 < 8f9542cad6c27297c8391de3a659f0b7948495d0`
- `Linux >= 9927c68864e9c39cc317b4f559309ba29e642168 < 0595cdb587726b4f0fa780eb7462e3679d141e82`
- `Linux >= 9927c68864e9c39cc317b4f559309ba29e642168 < 82143faf01dda831b89eccef60c39ef8575ab08a`
- `Linux >= 9927c68864e9c39cc317b4f559309ba29e642168 < 2fb1fa8425cce2dc4dce298275d22d7077694b73`
- `Linux >= 9927c68864e9c39cc317b4f559309ba29e642168 < 578797f0c8cbc2e3ec5fc0dab87087b4c7073686`
- `Linux 2.6.25`

## Remediation

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