236 lines
10 KiB
JSON
236 lines
10 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2021-47018",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2024-02-27T18:42:55.954Z",
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"datePublished": "2024-02-28T08:13:33.362Z",
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"dateUpdated": "2026-05-11T13:46:22.204Z"
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},
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T13:46:22.204Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/64: Fix the definition of the fixmap area\n\nAt the time being, the fixmap area is defined at the top of\nthe address space or just below KASAN.\n\nThis definition is not valid for PPC64.\n\nFor PPC64, use the top of the I/O space.\n\nBecause of circular dependencies, it is not possible to include\nasm/fixmap.h in asm/book3s/64/pgtable.h , so define a fixed size\nAREA at the top of the I/O space for fixmap and ensure during\nbuild that the size is big enough."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"arch/powerpc/include/asm/book3s/64/pgtable.h",
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"arch/powerpc/include/asm/fixmap.h",
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"arch/powerpc/include/asm/nohash/64/pgtable.h"
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],
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "265c3491c4bc8d40587996d6ee2f447a7ccfb4f3",
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"lessThan": "abb07dc5e8b61ab7b1dde20dd73aa01a3aeb183f",
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"status": "affected",
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{
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"lessThan": "a84df7c80bdac598d6ac9268ae578da6928883e8",
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"status": "affected",
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"arch/powerpc/include/asm/book3s/64/pgtable.h",
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"arch/powerpc/include/asm/fixmap.h",
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"arch/powerpc/include/asm/nohash/64/pgtable.h"
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],
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"versions": [
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{
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"version": "5.5",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.5",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.10.37",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.11.21",
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"lessThanOrEqual": "5.11.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.12.4",
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"lessThanOrEqual": "5.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.13",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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"nodes": [
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"operator": "OR",
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.5",
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"versionEndExcluding": "5.10.37"
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"references": [
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"url": "https://git.kernel.org/stable/c/4b9fb2c9039a206d37f215936a4d5bee7b1bf9cd"
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"url": "https://git.kernel.org/stable/c/abb07dc5e8b61ab7b1dde20dd73aa01a3aeb183f"
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"url": "https://git.kernel.org/stable/c/a84df7c80bdac598d6ac9268ae578da6928883e8"
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{
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"url": "https://git.kernel.org/stable/c/9ccba66d4d2aff9a3909aa77d57ea8b7cc166f3c"
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}
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],
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"title": "powerpc/64: Fix the definition of the fixmap area",
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"content": {
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"id": "CVE-2021-47018",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"title": "CISA ADP Vulnrichment",
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