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CVE-2023-53722
md: raid1: fix potential OOB in raid1_remove_disk()
Description

In the Linux kernel, the following vulnerability has been resolved: md: raid1: fix potential OOB in raid1_remove_disk() If rddev->raid_disk is greater than mddev->raid_disks, there will be an out-of-bounds in raid1_remove_disk(). We have already found similar reports as follows: 1) commit d17f744e883b ("md-raid10: fix KASAN warning") 2) commit 1ebc2cec0b7d ("dm raid: fix KASAN warning in raid5_remove_disk") Fix this bug by checking whether the "number" variable is valid.

INFO

Published Date :

Oct. 22, 2025, 2:15 p.m.

Last Modified :

Oct. 22, 2025, 9:12 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2023-53722 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Apply the Linux kernel patch for raid1_remove_disk to fix out-of-bounds access.
  • Update the Linux kernel to the latest version.
  • Apply the specific patch for raid1_remove_disk.
  • Verify the patch resolves the out-of-bounds issue.
  • Reboot the system after applying updates.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-53722.

URL Resource
https://git.kernel.org/stable/c/25a68f2286be56fb3a6f9fa0e269c04b5e6c6e24
https://git.kernel.org/stable/c/4bdb92eaf645e312975357adc3c4e9523b6e67f1
https://git.kernel.org/stable/c/4f7d853b4590fc20e90dd50e346c02811a8c5b08
https://git.kernel.org/stable/c/4f96c0665f9f4cf70130c9757750dc43dc679c82
https://git.kernel.org/stable/c/7993cfc041481a3a9cd4a3858088fc846b8ccaf7
https://git.kernel.org/stable/c/8b0472b50bcf0f19a5119b00a53b63579c8e1e4d
https://git.kernel.org/stable/c/91fbd4e75cb573f44d2619a9dc2f9ba927040760
https://git.kernel.org/stable/c/beedf40f73939f248c81802eda08a2a8148ea13e
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-53722 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-53722 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-53722 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2023-53722 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 22, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: md: raid1: fix potential OOB in raid1_remove_disk() If rddev->raid_disk is greater than mddev->raid_disks, there will be an out-of-bounds in raid1_remove_disk(). We have already found similar reports as follows: 1) commit d17f744e883b ("md-raid10: fix KASAN warning") 2) commit 1ebc2cec0b7d ("dm raid: fix KASAN warning in raid5_remove_disk") Fix this bug by checking whether the "number" variable is valid.
    Added Reference https://git.kernel.org/stable/c/25a68f2286be56fb3a6f9fa0e269c04b5e6c6e24
    Added Reference https://git.kernel.org/stable/c/4bdb92eaf645e312975357adc3c4e9523b6e67f1
    Added Reference https://git.kernel.org/stable/c/4f7d853b4590fc20e90dd50e346c02811a8c5b08
    Added Reference https://git.kernel.org/stable/c/4f96c0665f9f4cf70130c9757750dc43dc679c82
    Added Reference https://git.kernel.org/stable/c/7993cfc041481a3a9cd4a3858088fc846b8ccaf7
    Added Reference https://git.kernel.org/stable/c/8b0472b50bcf0f19a5119b00a53b63579c8e1e4d
    Added Reference https://git.kernel.org/stable/c/91fbd4e75cb573f44d2619a9dc2f9ba927040760
    Added Reference https://git.kernel.org/stable/c/beedf40f73939f248c81802eda08a2a8148ea13e
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.