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vuln-cve/data/2023/53xxx/CVE-2023-53746.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2023-53746",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-12-08T01:18:04.279Z",
"datePublished": "2025-12-08T01:19:05.204Z",
"dateUpdated": "2026-05-11T19:50:54.095Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T19:50:54.095Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/vfio-ap: fix memory leak in vfio_ap device driver\n\nThe device release callback function invoked to release the matrix device\nuses the dev_get_drvdata(device *dev) function to retrieve the\npointer to the vfio_matrix_dev object in order to free its storage. The\nproblem is, this object is not stored as drvdata with the device; since the\nkfree function will accept a NULL pointer, the memory for the\nvfio_matrix_dev object is never freed.\n\nSince the device being released is contained within the vfio_matrix_dev\nobject, the container_of macro will be used to retrieve its pointer."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/s390/crypto/vfio_ap_drv.c"
],
"versions": [
{
"version": "1fde573413b549d52183382e639c1d6ce88f5959",
"lessThan": "5195de1d5f66b276683240a896783f7f43c4f664",
"status": "affected",
"versionType": "git"
},
{
"version": "1fde573413b549d52183382e639c1d6ce88f5959",
"lessThan": "ee17dea3072dec0bc34399a32fa884e26342e4ea",
"status": "affected",
"versionType": "git"
},
{
"version": "1fde573413b549d52183382e639c1d6ce88f5959",
"lessThan": "aa2bff25e9bb10c935c7ffe3d5f5975bdccb1749",
"status": "affected",
"versionType": "git"
},
{
"version": "1fde573413b549d52183382e639c1d6ce88f5959",
"lessThan": "6a40fda14b4be3e38f03cc42ffd4efbc64fb3e67",
"status": "affected",
"versionType": "git"
},
{
"version": "1fde573413b549d52183382e639c1d6ce88f5959",
"lessThan": "7b6a02f5bf15931464c79dfd487c57f76aae3496",
"status": "affected",
"versionType": "git"
},
{
"version": "1fde573413b549d52183382e639c1d6ce88f5959",
"lessThan": "8f8cf767589f2131ae5d40f3758429095c701c84",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/s390/crypto/vfio_ap_drv.c"
],
"versions": [
{
"version": "4.20",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.20",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.240",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.177",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.106",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.23",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.2.10",
"lessThanOrEqual": "6.2.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.3",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.20",
"versionEndExcluding": "5.4.240"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.20",
"versionEndExcluding": "5.10.177"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.20",
"versionEndExcluding": "5.15.106"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.20",
"versionEndExcluding": "6.1.23"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.20",
"versionEndExcluding": "6.2.10"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.20",
"versionEndExcluding": "6.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/5195de1d5f66b276683240a896783f7f43c4f664"
},
{
"url": "https://git.kernel.org/stable/c/ee17dea3072dec0bc34399a32fa884e26342e4ea"
},
{
"url": "https://git.kernel.org/stable/c/aa2bff25e9bb10c935c7ffe3d5f5975bdccb1749"
},
{
"url": "https://git.kernel.org/stable/c/6a40fda14b4be3e38f03cc42ffd4efbc64fb3e67"
},
{
"url": "https://git.kernel.org/stable/c/7b6a02f5bf15931464c79dfd487c57f76aae3496"
},
{
"url": "https://git.kernel.org/stable/c/8f8cf767589f2131ae5d40f3758429095c701c84"
}
],
"title": "s390/vfio-ap: fix memory leak in vfio_ap device driver",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}