CVE-2021-47051 (GCVE-0-2021-47051)
Vulnerability from cvelistv5
Published
2024-02-28 08:13
Modified
2026-05-11 13:47
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
spi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware()
pm_runtime_get_sync will increment pm usage counter even it failed.
Forgetting to putting operation will result in reference leak here.
Fix it by replacing it with pm_runtime_resume_and_get to keep usage
counter balanced.
References
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T05:24:39.328Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/4a01ad002d2e03c399af536562693752af7c81b1"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/ce02e58ddf8658a4c3bed2296f32a5873b3f7cce"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/b8207bfc539cd07d15e753ff2d179c5b61c673b1"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/6a2b5cee0d31ab6cc51030c441135b0e31217282"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/a03675497970a93fcf25d81d9d92a59c2d7377a7"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-47051",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-10T15:57:35.223883Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-11T17:33:53.652Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/spi/spi-fsl-lpspi.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "4a01ad002d2e03c399af536562693752af7c81b1",
"status": "affected",
"version": "944c01a889d97dc08e1b71f4ed868f4023fd6034",
"versionType": "git"
},
{
"lessThan": "ce02e58ddf8658a4c3bed2296f32a5873b3f7cce",
"status": "affected",
"version": "944c01a889d97dc08e1b71f4ed868f4023fd6034",
"versionType": "git"
},
{
"lessThan": "b8207bfc539cd07d15e753ff2d179c5b61c673b1",
"status": "affected",
"version": "944c01a889d97dc08e1b71f4ed868f4023fd6034",
"versionType": "git"
},
{
"lessThan": "6a2b5cee0d31ab6cc51030c441135b0e31217282",
"status": "affected",
"version": "944c01a889d97dc08e1b71f4ed868f4023fd6034",
"versionType": "git"
},
{
"lessThan": "a03675497970a93fcf25d81d9d92a59c2d7377a7",
"status": "affected",
"version": "944c01a889d97dc08e1b71f4ed868f4023fd6034",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/spi/spi-fsl-lpspi.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.2"
},
{
"lessThan": "5.2",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.119",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.37",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.11.*",
"status": "unaffected",
"version": "5.11.21",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.12.*",
"status": "unaffected",
"version": "5.12.4",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "5.13",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.4.119",
"versionStartIncluding": "5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.37",
"versionStartIncluding": "5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.11.21",
"versionStartIncluding": "5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.12.4",
"versionStartIncluding": "5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.13",
"versionStartIncluding": "5.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware()\n\npm_runtime_get_sync will increment pm usage counter even it failed.\nForgetting to putting operation will result in reference leak here.\nFix it by replacing it with pm_runtime_resume_and_get to keep usage\ncounter balanced."
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T13:47:07.826Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/4a01ad002d2e03c399af536562693752af7c81b1"
},
{
"url": "https://git.kernel.org/stable/c/ce02e58ddf8658a4c3bed2296f32a5873b3f7cce"
},
{
"url": "https://git.kernel.org/stable/c/b8207bfc539cd07d15e753ff2d179c5b61c673b1"
},
{
"url": "https://git.kernel.org/stable/c/6a2b5cee0d31ab6cc51030c441135b0e31217282"
},
{
"url": "https://git.kernel.org/stable/c/a03675497970a93fcf25d81d9d92a59c2d7377a7"
}
],
"title": "spi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2021-47051",
"datePublished": "2024-02-28T08:13:53.461Z",
"dateReserved": "2024-02-27T18:42:55.971Z",
"dateUpdated": "2026-05-11T13:47:07.826Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…