UnratedFix available
md: raid1: fix potential OOB in raid1_remove_disk()
Type: advisorySources: OSV
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.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.14.326, 4.19.295, 5.10.197, 5.15.133, 5.4.257, 6.1.55, 6.5.5
- CVEs
- CVE-2023-53722
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 17:48 UTC · Revision 1
Source evidence
md: raid1: fix potential OOB in raid1_remove_disk()
core-osv · Original sourcePublished 22 Oct 2025, 13:23 UTC
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.
osv:CVE-2023-53722
Kernel
Fixed versions: 4.14.326, 4.19.295, 5.4.257, 5.10.197, 5.15.133, 6.1.55, 6.5.5
Complete source record
{
"id": "2ee3092c78e9963ccfcc67e618ac2d2e32850a1d1fc6ad771368aebf3c6b4718",
"url": "https://osv.dev/vulnerability/CVE-2023-53722",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "md: raid1: fix potential OOB in raid1_remove_disk()",
"summary": "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.",
"evidence": "osv:CVE-2023-53722",
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"modified": "2026-10-30T02:30:32.843767043Z",
"provider": "osv",
"references": [
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"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53722.json",
"https://nvd.nist.gov/vuln/detail/CVE-2023-53722",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
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"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53722.json"
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},
"related_cves": [
{
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"evidence": "/id"
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],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 505422,
"published_at": "2025-10-22T13:23:53.329+00:00"
}