CVE-2023-53380 (GCVE-0-2023-53380)
Vulnerability from cvelistv5 – Published: 2025-09-18 13:33 – Updated: 2026-05-11 19:43
VLAI
EPSS
VEX
Title
md/raid10: fix null-ptr-deref of mreplace in raid10_sync_request
Summary
In the Linux kernel, the following vulnerability has been resolved:
md/raid10: fix null-ptr-deref of mreplace in raid10_sync_request
There are two check of 'mreplace' in raid10_sync_request(). In the first
check, 'need_replace' will be set and 'mreplace' will be used later if
no-Faulty 'mreplace' exists, In the second check, 'mreplace' will be
set to NULL if it is Faulty, but 'need_replace' will not be changed
accordingly. null-ptr-deref occurs if Faulty is set between two check.
Fix it by merging two checks into one. And replace 'need_replace' with
'mreplace' because their values are always the same.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 18:56 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
ee37d7314a32ab6809eacc3389bad0406c69a81f , < 45fa023b3334a7ae6f6c4eb977295804222dfa28
(git)
Affected: ee37d7314a32ab6809eacc3389bad0406c69a81f , < 2990e2ece18dd4cca71b3109c80517ad94adb065 (git) Affected: ee37d7314a32ab6809eacc3389bad0406c69a81f , < f4368a462b1f9a8ecc2fdb09a28c3d4cad302a4f (git) Affected: ee37d7314a32ab6809eacc3389bad0406c69a81f , < 222cc459d59857ee28a5366dc225ab42b22f9272 (git) Affected: ee37d7314a32ab6809eacc3389bad0406c69a81f , < b5015b97adda6a24dd3e713c63e521ecbeff25c6 (git) Affected: ee37d7314a32ab6809eacc3389bad0406c69a81f , < 144c7fd008e0072b0b565f1157eec618de54ca8a (git) Affected: ee37d7314a32ab6809eacc3389bad0406c69a81f , < 34817a2441747b48e444cb0e05d84e14bc9443da (git) |
guessed | |
| Linux | Linux |
Affected:
4.20
Unaffected: 0 , < 4.20 (semver) Unaffected: 5.4.251 , ≤ 5.4.* (semver) Unaffected: 5.10.188 , ≤ 5.10.* (semver) Unaffected: 5.15.121 , ≤ 5.15.* (semver) Unaffected: 6.1.39 , ≤ 6.1.* (semver) Unaffected: 6.3.13 , ≤ 6.3.* (semver) Unaffected: 6.4.4 , ≤ 6.4.* (semver) Unaffected: 6.5 , ≤ * (original_commit_for_fix) |
guessed |
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"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:fixed": "399",
"product_status:known_affected": "52",
"product_status:known_not_affected": "104",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: md/raid10: fix null-ptr-deref of mreplace in raid10_sync_request",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53380.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-53380",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-14T18:56:06.480784Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-476",
"description": "CWE-476 NULL Pointer Dereference",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-14T18:56:00.843Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/md/raid10.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "45fa023b3334a7ae6f6c4eb977295804222dfa28",
"status": "affected",
"version": "ee37d7314a32ab6809eacc3389bad0406c69a81f",
"versionType": "git"
},
{
"lessThan": "2990e2ece18dd4cca71b3109c80517ad94adb065",
"status": "affected",
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{
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"status": "affected",
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},
{
"lessThan": "222cc459d59857ee28a5366dc225ab42b22f9272",
"status": "affected",
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{
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"status": "affected",
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{
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"status": "affected",
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"versionType": "git"
},
{
"lessThan": "34817a2441747b48e444cb0e05d84e14bc9443da",
"status": "affected",
"version": "ee37d7314a32ab6809eacc3389bad0406c69a81f",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/md/raid10.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.20"
},
{
"lessThan": "4.20",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.251",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.188",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.121",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.39",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.3.*",
"status": "unaffected",
"version": "6.3.13",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.4.*",
"status": "unaffected",
"version": "6.4.4",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.5",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.4.251",
"versionStartIncluding": "4.20",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.188",
"versionStartIncluding": "4.20",
"vulnerable": true
},
{
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"vulnerable": true
},
{
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},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.4.4",
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"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.5",
"versionStartIncluding": "4.20",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
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}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid10: fix null-ptr-deref of mreplace in raid10_sync_request\n\nThere are two check of \u0027mreplace\u0027 in raid10_sync_request(). In the first\ncheck, \u0027need_replace\u0027 will be set and \u0027mreplace\u0027 will be used later if\nno-Faulty \u0027mreplace\u0027 exists, In the second check, \u0027mreplace\u0027 will be\nset to NULL if it is Faulty, but \u0027need_replace\u0027 will not be changed\naccordingly. null-ptr-deref occurs if Faulty is set between two check.\n\nFix it by merging two checks into one. And replace \u0027need_replace\u0027 with\n\u0027mreplace\u0027 because their values are always the same."
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T19:43:49.796Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/45fa023b3334a7ae6f6c4eb977295804222dfa28"
},
{
"url": "https://git.kernel.org/stable/c/2990e2ece18dd4cca71b3109c80517ad94adb065"
},
{
"url": "https://git.kernel.org/stable/c/f4368a462b1f9a8ecc2fdb09a28c3d4cad302a4f"
},
{
"url": "https://git.kernel.org/stable/c/222cc459d59857ee28a5366dc225ab42b22f9272"
},
{
"url": "https://git.kernel.org/stable/c/b5015b97adda6a24dd3e713c63e521ecbeff25c6"
},
{
"url": "https://git.kernel.org/stable/c/144c7fd008e0072b0b565f1157eec618de54ca8a"
},
{
"url": "https://git.kernel.org/stable/c/34817a2441747b48e444cb0e05d84e14bc9443da"
}
],
"title": "md/raid10: fix null-ptr-deref of mreplace in raid10_sync_request",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2023-53380",
"datePublished": "2025-09-18T13:33:25.383Z",
"dateReserved": "2025-09-17T14:54:09.736Z",
"dateUpdated": "2026-05-11T19:43:49.796Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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Vulnerability timeline
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.