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vuln-cve/data/2024/43xxx/CVE-2024-43854.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2024-43854",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2024-08-17T09:11:59.278Z",
"datePublished": "2024-08-17T09:22:11.297Z",
"dateUpdated": "2026-05-11T20:31:06.290Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T20:31:06.290Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock: initialize integrity buffer to zero before writing it to media\n\nMetadata added by bio_integrity_prep is using plain kmalloc, which leads\nto random kernel memory being written media. For PI metadata this is\nlimited to the app tag that isn't used by kernel generated metadata,\nbut for non-PI metadata the entire buffer leaks kernel memory.\n\nFix this by adding the __GFP_ZERO flag to allocations for writes."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"block/bio-integrity.c"
],
"versions": [
{
"version": "7ba1ba12eeef0aa7113beb16410ef8b7c748e18b",
"lessThan": "9f4af4cf08f9a0329ade3d938f55d2220c40d0a6",
"status": "affected",
"versionType": "git"
},
{
"version": "7ba1ba12eeef0aa7113beb16410ef8b7c748e18b",
"lessThan": "129f95948a96105c1fad8e612c9097763e88ac5f",
"status": "affected",
"versionType": "git"
},
{
"version": "7ba1ba12eeef0aa7113beb16410ef8b7c748e18b",
"lessThan": "3fd11fe4f20756b4c0847f755a64cd96f8c6a005",
"status": "affected",
"versionType": "git"
},
{
"version": "7ba1ba12eeef0aa7113beb16410ef8b7c748e18b",
"lessThan": "cf6b45ea7a8df0f61bded1dc4a8561ac6ad143d2",
"status": "affected",
"versionType": "git"
},
{
"version": "7ba1ba12eeef0aa7113beb16410ef8b7c748e18b",
"lessThan": "d418313bd8f55c079a7da12651951b489a638ac1",
"status": "affected",
"versionType": "git"
},
{
"version": "7ba1ba12eeef0aa7113beb16410ef8b7c748e18b",
"lessThan": "23a19655fb56f241e592041156dfb1c6d04da644",
"status": "affected",
"versionType": "git"
},
{
"version": "7ba1ba12eeef0aa7113beb16410ef8b7c748e18b",
"lessThan": "ebc0e91ba76dc6544fff9f5b66408b1982806a00",
"status": "affected",
"versionType": "git"
},
{
"version": "7ba1ba12eeef0aa7113beb16410ef8b7c748e18b",
"lessThan": "899ee2c3829c5ac14bfc7d3c4a5846c0b709b78f",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"block/bio-integrity.c"
],
"versions": [
{
"version": "2.6.27",
"status": "affected"
},
{
"version": "0",
"lessThan": "2.6.27",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.19.322",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.284",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.226",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.165",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.103",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.44",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.10.3",
"lessThanOrEqual": "6.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.11",
"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": "2.6.27",
"versionEndExcluding": "4.19.322"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.27",
"versionEndExcluding": "5.4.284"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.27",
"versionEndExcluding": "5.10.226"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.27",
"versionEndExcluding": "5.15.165"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.27",
"versionEndExcluding": "6.1.103"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.27",
"versionEndExcluding": "6.6.44"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.27",
"versionEndExcluding": "6.10.3"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.27",
"versionEndExcluding": "6.11"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/9f4af4cf08f9a0329ade3d938f55d2220c40d0a6"
},
{
"url": "https://git.kernel.org/stable/c/129f95948a96105c1fad8e612c9097763e88ac5f"
},
{
"url": "https://git.kernel.org/stable/c/3fd11fe4f20756b4c0847f755a64cd96f8c6a005"
},
{
"url": "https://git.kernel.org/stable/c/cf6b45ea7a8df0f61bded1dc4a8561ac6ad143d2"
},
{
"url": "https://git.kernel.org/stable/c/d418313bd8f55c079a7da12651951b489a638ac1"
},
{
"url": "https://git.kernel.org/stable/c/23a19655fb56f241e592041156dfb1c6d04da644"
},
{
"url": "https://git.kernel.org/stable/c/ebc0e91ba76dc6544fff9f5b66408b1982806a00"
},
{
"url": "https://git.kernel.org/stable/c/899ee2c3829c5ac14bfc7d3c4a5846c0b709b78f"
}
],
"title": "block: initialize integrity buffer to zero before writing it to media",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2024-43854",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-09-10T16:07:14.517245Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2024-09-12T17:33:20.780Z"
}
},
{
"title": "CVE Program Container",
"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"
}
],
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2025-11-03T22:05:51.729Z"
}
}
]
}
}