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vuln-cve/data/2021/47xxx/CVE-2021-47645.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2021-47645",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-02-26T01:48:21.519Z",
"datePublished": "2025-02-26T01:54:14.651Z",
"dateUpdated": "2026-08-11T02:05:29.673Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-08-11T02:05:29.673Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com\n\nOn the case tmp_dcim=1, the index of buffer is miscalculated.\nThis generate a NULL pointer dereference later.\n\nSo let's fix the calcul and add a check to prevent this to reappear."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/staging/media/zoran/zoran_device.c"
],
"versions": [
{
"version": "83f89a8bcbc3c520a889b5fc7c4b95669d712f65",
"lessThan": "8dce4b265a5357731058f69645840dabc718c687",
"status": "affected",
"versionType": "git"
},
{
"version": "83f89a8bcbc3c520a889b5fc7c4b95669d712f65",
"lessThan": "bafec1a6ba4b187a7fcdcfce0faebdc623d4ef8e",
"status": "affected",
"versionType": "git"
},
{
"version": "83f89a8bcbc3c520a889b5fc7c4b95669d712f65",
"lessThan": "7e76f3ed7ab2ae026c6ef9cc23096a7554af8c52",
"status": "affected",
"versionType": "git"
},
{
"version": "83f89a8bcbc3c520a889b5fc7c4b95669d712f65",
"lessThan": "20db2ed1e2f9fcd417fa67853e5154f0c2537d6c",
"status": "affected",
"versionType": "git"
},
{
"version": "83f89a8bcbc3c520a889b5fc7c4b95669d712f65",
"lessThan": "20811bbe685ca3eddd34b0c750860427d7030910",
"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/staging/media/zoran/zoran_device.c"
],
"versions": [
{
"version": "5.10",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.10",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.2",
"lessThan": "5.10",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.110",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.33",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.16.19",
"lessThanOrEqual": "5.16.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.17.2",
"lessThanOrEqual": "5.17.*",
"status": "unaffected",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.10",
"versionEndExcluding": "5.2"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.10",
"versionEndExcluding": "5.10.110"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.10",
"versionEndExcluding": "5.15.33"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.10",
"versionEndExcluding": "5.16.19"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.10",
"versionEndExcluding": "5.17.2"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/8dce4b265a5357731058f69645840dabc718c687"
},
{
"url": "https://git.kernel.org/stable/c/bafec1a6ba4b187a7fcdcfce0faebdc623d4ef8e"
},
{
"url": "https://git.kernel.org/stable/c/7e76f3ed7ab2ae026c6ef9cc23096a7554af8c52"
},
{
"url": "https://git.kernel.org/stable/c/20db2ed1e2f9fcd417fa67853e5154f0c2537d6c"
},
{
"url": "https://git.kernel.org/stable/c/20811bbe685ca3eddd34b0c750860427d7030910"
}
],
"title": "media: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
}
},
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2021-47645",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2025-10-01T19:50:33.182211Z"
}
}
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"type": "CWE",
"cweId": "CWE-476",
"description": "CWE-476 NULL Pointer Dereference"
}
]
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2025-10-01T19:57:07.833Z"
}
}
]
}
}