CVE-2023-53743 (GCVE-0-2023-53743)
Vulnerability from cvelistv5 – Published: 2025-12-08 01:19 – Updated: 2026-05-23 15:30
VLAI
EPSS
VEX
Title
PCI: Free released resource after coalescing
Summary
In the Linux kernel, the following vulnerability has been resolved:
PCI: Free released resource after coalescing
release_resource() doesn't actually free the resource or resource list
entry so free the resource list entry to avoid a leak.
Severity
No CVSS data available.
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
465c195e86f3d0ffd2e250c4b78a5a1f11cc1b0a , < 4443f3695d581ad1a55f2ef59259dcd0c52402b3
(git)
Affected: b9bd8e34ec97615db4b64e043adf0cd643b16ed4 , < a076e73dd6e619729e1af8d0d802fe52ac5eb2b3 (git) Affected: e54223275ba1bc6f704a6bab015fcd2ae4f72572 , < a08713b9d9031683b83b3ecf12bad40a1ca35211 (git) Affected: e54223275ba1bc6f704a6bab015fcd2ae4f72572 , < 8ec9c1d5d0a5a4744516adb483b97a238892f9d5 (git) Affected: 26277a4250207e630c9a11f4ead4ef6e8441bf1f (git) Affected: 6.1.40 , < 6.1.53 (semver) Affected: 6.4.5 , < 6.4.16 (semver) Affected: 5.15.181 , < 5.16 (semver) |
guessed | |
| Linux | Linux |
Affected:
6.5
Unaffected: 0 , < 6.5 (semver) Unaffected: 6.1.53 , ≤ 6.1.* (semver) Unaffected: 6.4.16 , ≤ 6.4.* (semver) Unaffected: 6.5.3 , ≤ 6.5.* (semver) Unaffected: 6.6 , ≤ * (original_commit_for_fix) |
guessed |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/pci/probe.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "4443f3695d581ad1a55f2ef59259dcd0c52402b3",
"status": "affected",
"version": "465c195e86f3d0ffd2e250c4b78a5a1f11cc1b0a",
"versionType": "git"
},
{
"lessThan": "a076e73dd6e619729e1af8d0d802fe52ac5eb2b3",
"status": "affected",
"version": "b9bd8e34ec97615db4b64e043adf0cd643b16ed4",
"versionType": "git"
},
{
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"status": "affected",
"version": "e54223275ba1bc6f704a6bab015fcd2ae4f72572",
"versionType": "git"
},
{
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"status": "affected",
"version": "e54223275ba1bc6f704a6bab015fcd2ae4f72572",
"versionType": "git"
},
{
"status": "affected",
"version": "26277a4250207e630c9a11f4ead4ef6e8441bf1f",
"versionType": "git"
},
{
"lessThan": "6.1.53",
"status": "affected",
"version": "6.1.40",
"versionType": "semver"
},
{
"lessThan": "6.4.16",
"status": "affected",
"version": "6.4.5",
"versionType": "semver"
},
{
"lessThan": "5.16",
"status": "affected",
"version": "5.15.181",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/pci/probe.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.5"
},
{
"lessThan": "6.5",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.53",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.4.*",
"status": "unaffected",
"version": "6.4.16",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.5.*",
"status": "unaffected",
"version": "6.5.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.6",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.53",
"versionStartIncluding": "6.1.40",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.4.16",
"versionStartIncluding": "6.4.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.5.3",
"versionStartIncluding": "6.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6",
"versionStartIncluding": "6.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.15.181",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: Free released resource after coalescing\n\nrelease_resource() doesn\u0027t actually free the resource or resource list\nentry so free the resource list entry to avoid a leak."
}
],
"providerMetadata": {
"dateUpdated": "2026-05-23T15:30:42.192Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/4443f3695d581ad1a55f2ef59259dcd0c52402b3"
},
{
"url": "https://git.kernel.org/stable/c/a076e73dd6e619729e1af8d0d802fe52ac5eb2b3"
},
{
"url": "https://git.kernel.org/stable/c/a08713b9d9031683b83b3ecf12bad40a1ca35211"
},
{
"url": "https://git.kernel.org/stable/c/8ec9c1d5d0a5a4744516adb483b97a238892f9d5"
}
],
"title": "PCI: Free released resource after coalescing",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2023-53743",
"datePublished": "2025-12-08T01:19:01.868Z",
"dateReserved": "2025-12-08T01:18:04.278Z",
"dateUpdated": "2026-05-23T15:30:42.192Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-53743",
"date": "2026-09-29",
"epss": "0.00199",
"percentile": "0.08741"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/pci/probe.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "4443f3695d581ad1a55f2ef59259dcd0c52402b3",
"status": "affected",
"version": "465c195e86f3d0ffd2e250c4b78a5a1f11cc1b0a",
"versionType": "git"
},
{
"lessThan": "a076e73dd6e619729e1af8d0d802fe52ac5eb2b3",
"status": "affected",
"version": "b9bd8e34ec97615db4b64e043adf0cd643b16ed4",
"versionType": "git"
},
{
"lessThan": "a08713b9d9031683b83b3ecf12bad40a1ca35211",
"status": "affected",
"version": "e54223275ba1bc6f704a6bab015fcd2ae4f72572",
"versionType": "git"
},
{
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"status": "affected",
"version": "e54223275ba1bc6f704a6bab015fcd2ae4f72572",
"versionType": "git"
},
{
"status": "affected",
"version": "26277a4250207e630c9a11f4ead4ef6e8441bf1f",
"versionType": "git"
},
{
"lessThan": "6.1.53",
"status": "affected",
"version": "6.1.40",
"versionType": "semver"
},
{
"lessThan": "6.4.16",
"status": "affected",
"version": "6.4.5",
"versionType": "semver"
},
{
"lessThan": "5.16",
"status": "affected",
"version": "5.15.181",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/pci/probe.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.5"
},
{
"lessThan": "6.5",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.53",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.4.*",
"status": "unaffected",
"version": "6.4.16",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.5.*",
"status": "unaffected",
"version": "6.5.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.6",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: Free released resource after coalescing\n\nrelease_resource() doesn\u0027t actually free the resource or resource list\nentry so free the resource list entry to avoid a leak."
}
],
"id": "CVE-2023-53743",
"lastModified": "2026-06-17T06:45:59.693",
"metrics": {},
"published": "2025-12-08T02:15:49.520",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/4443f3695d581ad1a55f2ef59259dcd0c52402b3"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/8ec9c1d5d0a5a4744516adb483b97a238892f9d5"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/a076e73dd6e619729e1af8d0d802fe52ac5eb2b3"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/a08713b9d9031683b83b3ecf12bad40a1ca35211"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Deferred"
}
},
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-06-30T10:19:03+00:00",
"cve": "CVE-2023-53743",
"id": "CVE-2023-53743",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:fixed": "279",
"product_status:known_affected": "36",
"product_status:known_not_affected": "152",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: Linux kernel: Denial of Service due to PCI resource leak",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53743.json",
"version": "3"
}
}
}
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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.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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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.
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