340 lines
15 KiB
JSON
340 lines
15 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-2021-47235",
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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": "2024-04-10T18:59:19.531Z",
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"datePublished": "2024-05-21T14:19:37.070Z",
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"dateUpdated": "2026-05-11T13:50:34.524Z"
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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": "2026-05-11T13:50:34.524Z"
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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\nnet: ethernet: fix potential use-after-free in ec_bhf_remove\n\nstatic void ec_bhf_remove(struct pci_dev *dev)\n{\n...\n\tstruct ec_bhf_priv *priv = netdev_priv(net_dev);\n\n\tunregister_netdev(net_dev);\n\tfree_netdev(net_dev);\n\n\tpci_iounmap(dev, priv->dma_io);\n\tpci_iounmap(dev, priv->io);\n...\n}\n\npriv is netdev private data, but it is used\nafter free_netdev(). It can cause use-after-free when accessing priv\npointer. So, fix it by moving free_netdev() after pci_iounmap()\ncalls."
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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/net/ethernet/ec_bhf.c"
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],
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"versions": [
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{
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"version": "6af55ff52b02d492d45db88df3e461fa51a6f753",
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"lessThan": "db2bc3cfd2bc01621014d4f17cdfc74611f339c8",
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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": "6af55ff52b02d492d45db88df3e461fa51a6f753",
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"lessThan": "1cafc540b7bf1b6a5a77dc000205fe337ef6eba6",
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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": "6af55ff52b02d492d45db88df3e461fa51a6f753",
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"lessThan": "b1ad283755095a4b9d1431aeb357d7df1a33d3bb",
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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": "6af55ff52b02d492d45db88df3e461fa51a6f753",
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"lessThan": "0260916843cc74f3906acf8b6f256693e01530a2",
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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": "6af55ff52b02d492d45db88df3e461fa51a6f753",
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"lessThan": "19f88ca68ccf8771276a606765239b167654f84a",
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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": "6af55ff52b02d492d45db88df3e461fa51a6f753",
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"lessThan": "95deeb29d831e2fae608439e243e7a520611e7ea",
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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": "6af55ff52b02d492d45db88df3e461fa51a6f753",
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"lessThan": "d11d79e52ba080ee567cb7d7eb42a5ade60a8130",
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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": "6af55ff52b02d492d45db88df3e461fa51a6f753",
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"lessThan": "9cca0c2d70149160407bda9a9446ce0c29b6e6c6",
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"status": "affected",
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"versionType": "git"
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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/net/ethernet/ec_bhf.c"
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],
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"versions": [
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{
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"version": "3.15",
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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": "3.15",
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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": "4.4.274",
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"lessThanOrEqual": "4.4.*",
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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": "4.9.274",
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"lessThanOrEqual": "4.9.*",
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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": "4.14.238",
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"lessThanOrEqual": "4.14.*",
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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": "4.19.196",
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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": "5.4.128",
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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": "5.10.46",
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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": "5.12.13",
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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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{
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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": "3.15",
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"versionEndExcluding": "4.4.274"
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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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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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{
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"versionEndExcluding": "5.10.46"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.15",
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"versionEndExcluding": "5.12.13"
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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": "3.15",
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"versionEndExcluding": "5.13"
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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/db2bc3cfd2bc01621014d4f17cdfc74611f339c8"
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},
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{
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"url": "https://git.kernel.org/stable/c/1cafc540b7bf1b6a5a77dc000205fe337ef6eba6"
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},
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{
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"url": "https://git.kernel.org/stable/c/b1ad283755095a4b9d1431aeb357d7df1a33d3bb"
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},
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{
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"url": "https://git.kernel.org/stable/c/0260916843cc74f3906acf8b6f256693e01530a2"
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},
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{
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"url": "https://git.kernel.org/stable/c/19f88ca68ccf8771276a606765239b167654f84a"
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},
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{
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"url": "https://git.kernel.org/stable/c/95deeb29d831e2fae608439e243e7a520611e7ea"
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},
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{
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"url": "https://git.kernel.org/stable/c/d11d79e52ba080ee567cb7d7eb42a5ade60a8130"
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},
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{
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"url": "https://git.kernel.org/stable/c/9cca0c2d70149160407bda9a9446ce0c29b6e6c6"
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}
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],
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"title": "net: ethernet: fix potential use-after-free in ec_bhf_remove",
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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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"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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"timestamp": "2024-06-17T17:38:04.934934Z",
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"id": "CVE-2021-47235",
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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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"role": "CISA Coordinator",
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"version": "2.0.3"
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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": "2024-06-17T17:40:03.824Z"
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}
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},
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{
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"shortName": "CVE",
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"dateUpdated": "2024-08-04T05:32:07.501Z"
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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/db2bc3cfd2bc01621014d4f17cdfc74611f339c8",
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