Not yet scoredPublished Oct 22, 2025

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

Updated under an hour ago (Oct 27, 2026, 10:40 AM ET)

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Exploited in the last 30 days

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.

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from b8321b68d1445f308324517e45fb0a5c2b48e271 before beedf40f73939f248c81802eda08a2a8148ea13e; from b8321b68d1445f308324517e45fb0a5c2b48e271 before 91fbd4e75cb573f44d2619a9dc2f9ba927040760; from b8321b68d1445f308324517e45fb0a5c2b48e271 before 25a68f2286be56fb3a6f9fa0e269c04b5e6c6e24; from b8321b68d1445f308324517e45fb0a5c2b48e271 before 7993cfc041481a3a9cd4a3858088fc846b8ccaf7; from b8321b68d1445f308324517e45fb0a5c2b48e271 before 4f96c0665f9f4cf70130c9757750dc43dc679c82; from b8321b68d1445f308324517e45fb0a5c2b48e271 before 4f7d853b4590fc20e90dd50e346c02811a8c5b08; from b8321b68d1445f308324517e45fb0a5c2b48e271 before 4bdb92eaf645e312975357adc3c4e9523b6e67f1; from b8321b68d1445f308324517e45fb0a5c2b48e271 before 8b0472b50bcf0f19a5119b00a53b63579c8e1e4d	CNA record

References

References

https://git.kernel.org/stable/c/beedf40f73939f248c81802eda08a2a8148ea13e
https://git.kernel.org/stable/c/91fbd4e75cb573f44d2619a9dc2f9ba927040760
https://git.kernel.org/stable/c/25a68f2286be56fb3a6f9fa0e269c04b5e6c6e24
https://git.kernel.org/stable/c/7993cfc041481a3a9cd4a3858088fc846b8ccaf7
https://git.kernel.org/stable/c/4f96c0665f9f4cf70130c9757750dc43dc679c82
https://git.kernel.org/stable/c/4f7d853b4590fc20e90dd50e346c02811a8c5b08
https://git.kernel.org/stable/c/4bdb92eaf645e312975357adc3c4e9523b6e67f1
https://git.kernel.org/stable/c/8b0472b50bcf0f19a5119b00a53b63579c8e1e4d

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.