298 lines
14 KiB
JSON
298 lines
14 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-2021-47617",
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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": "2024-06-19T14:55:32.795Z",
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"datePublished": "2024-06-20T10:57:01.508Z",
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"dateUpdated": "2026-05-23T15:20:19.921Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-23T15:20:19.921Z"
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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\nPCI: pciehp: Fix infinite loop in IRQ handler upon power fault\n\nThe Power Fault Detected bit in the Slot Status register differs from\nall other hotplug events in that it is sticky: It can only be cleared\nafter turning off slot power. Per PCIe r5.0, sec. 6.7.1.8:\n\n If a power controller detects a main power fault on the hot-plug slot,\n it must automatically set its internal main power fault latch [...].\n The main power fault latch is cleared when software turns off power to\n the hot-plug slot.\n\nThe stickiness used to cause interrupt storms and infinite loops which\nwere fixed in 2009 by commits 5651c48cfafe (\"PCI pciehp: fix power fault\ninterrupt storm problem\") and 99f0169c17f3 (\"PCI: pciehp: enable\nsoftware notification on empty slots\").\n\nUnfortunately in 2020 the infinite loop issue was inadvertently\nreintroduced by commit 8edf5332c393 (\"PCI: pciehp: Fix MSI interrupt\nrace\"): The hardirq handler pciehp_isr() clears the PFD bit until\npciehp's power_fault_detected flag is set. That happens in the IRQ\nthread pciehp_ist(), which never learns of the event because the hardirq\nhandler is stuck in an infinite loop. Fix by setting the\npower_fault_detected flag already in the hardirq handler."
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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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"vendor": "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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"drivers/pci/hotplug/pciehp_hpc.c"
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],
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"versions": [
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{
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"version": "a8cc52270f3d8e8f4faf01ffd6c4a95bbfb55ba4",
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"lessThan": "ff27f7d0333cff89ec85c419f431aca1b38fb16a",
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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": "4667358dab9cc07da044d5bc087065545b1000df",
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"lessThan": "464da38ba827f670deac6500a1de9a4f0f44c41d",
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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": "8edf5332c39340b9583cf9cba659eb7ec71f75b5",
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"lessThan": "3b4c966fb156ff3e70b2526d964952ff7c1574d9",
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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": "8edf5332c39340b9583cf9cba659eb7ec71f75b5",
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"lessThan": "1db58c6584a72102e98af2e600ea184ddaf2b8af",
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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": "8edf5332c39340b9583cf9cba659eb7ec71f75b5",
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"lessThan": "6d6f1f0dac3e3441ecdb1103d4efb11b9ed24dd5",
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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": "8edf5332c39340b9583cf9cba659eb7ec71f75b5",
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"lessThan": "23584c1ed3e15a6f4bfab8dc5a88d94ab929ee12",
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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": "4.19.149",
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"lessThan": "4.19.233",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.4.69",
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"lessThan": "5.4.177",
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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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"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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"drivers/pci/hotplug/pciehp_hpc.c"
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],
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"versions": [
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{
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"version": "5.7",
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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": "5.7",
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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": "4.19.233",
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"lessThanOrEqual": "4.19.*",
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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": "5.4.177",
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"lessThanOrEqual": "5.4.*",
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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": "5.10.97",
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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": "5.15.20",
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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": "5.16.6",
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"lessThanOrEqual": "5.16.*",
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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": "5.17",
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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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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.19.149",
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"versionEndExcluding": "4.19.233"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.4.69",
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"versionEndExcluding": "5.4.177"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.7",
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"versionEndExcluding": "5.10.97"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.7",
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"versionEndExcluding": "5.15.20"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.7",
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"versionEndExcluding": "5.16.6"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.7",
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"versionEndExcluding": "5.17"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/ff27f7d0333cff89ec85c419f431aca1b38fb16a"
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},
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{
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"url": "https://git.kernel.org/stable/c/464da38ba827f670deac6500a1de9a4f0f44c41d"
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},
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{
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"url": "https://git.kernel.org/stable/c/3b4c966fb156ff3e70b2526d964952ff7c1574d9"
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},
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{
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"url": "https://git.kernel.org/stable/c/1db58c6584a72102e98af2e600ea184ddaf2b8af"
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},
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{
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"url": "https://git.kernel.org/stable/c/6d6f1f0dac3e3441ecdb1103d4efb11b9ed24dd5"
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},
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{
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"url": "https://git.kernel.org/stable/c/23584c1ed3e15a6f4bfab8dc5a88d94ab929ee12"
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}
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],
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"title": "PCI: pciehp: Fix infinite loop in IRQ handler upon power fault",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-04T05:47:40.879Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/ff27f7d0333cff89ec85c419f431aca1b38fb16a",
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"tags": [
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{
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},
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2021-47617",
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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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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2024-09-10T17:11:38.706492Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2024-09-11T17:34:50.429Z"
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}
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}
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]
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}
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} |