221 lines
9.4 KiB
JSON
221 lines
9.4 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-2021-47567",
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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": "2024-05-24T15:11:00.728Z",
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"datePublished": "2024-05-24T15:12:54.081Z",
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"dateUpdated": "2026-05-23T15:20:15.825Z"
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},
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"containers": {
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"shortName": "Linux",
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"dateUpdated": "2026-05-23T15:20:15.825Z"
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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/32: Fix hardlockup on vmap stack overflow\n\nSince the commit c118c7303ad5 (\"powerpc/32: Fix vmap stack - Do not\nactivate MMU before reading task struct\") a vmap stack overflow\nresults in a hard lockup. This is because emergency_ctx is still\naddressed with its virtual address allthough data MMU is not active\nanymore at that time.\n\nFix it by using a physical address instead."
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}
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],
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"arch/powerpc/kernel/head_32.h"
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],
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{
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"version": "3b234b4a6651ed6bdca94553aa0038fc7ded9271",
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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": "5.9.5",
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"lessThan": "5.10",
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"status": "affected",
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"versionType": "semver"
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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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"defaultStatus": "affected",
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"programFiles": [
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"arch/powerpc/kernel/head_32.h"
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],
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"versions": [
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{
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"version": "5.10",
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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": "5.10",
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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": "5.10.83",
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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": "5.15.6",
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"lessThanOrEqual": "5.15.*",
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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": "5.16",
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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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{
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"nodes": [
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.10",
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"versionEndExcluding": "5.10.83"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"references": [
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"url": "https://git.kernel.org/stable/c/dfe906da9a1abebdebe8b15bb3e66a2578f6c4c7"
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},
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{
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"url": "https://git.kernel.org/stable/c/c4e3ff8b8b1d54f0c755670174c453b06e17114b"
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},
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{
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"url": "https://git.kernel.org/stable/c/5bb60ea611db1e04814426ed4bd1c95d1487678e"
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}
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],
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"title": "powerpc/32: Fix hardlockup on vmap stack overflow",
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"content": {
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"timestamp": "2024-06-17T17:34:28.307539Z",
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"id": "CVE-2021-47567",
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"options": [
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{
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"Exploitation": "none"
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{
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"Automatable": "no"
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"version": "2.0.3"
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}
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],
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"title": "CISA ADP Vulnrichment",
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