303 lines
14 KiB
JSON
303 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-2022-49077",
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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": "2025-02-26T01:49:39.247Z",
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"datePublished": "2025-02-26T01:54:39.739Z",
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"dateUpdated": "2026-11-05T19:49:36.139Z"
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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": "2026-05-11T18:52:34.901Z"
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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\nmmmremap.c: avoid pointless invalidate_range_start/end on mremap(old_size=0)\n\nIf an mremap() syscall with old_size=0 ends up in move_page_tables(), it\nwill call invalidate_range_start()/invalidate_range_end() unnecessarily,\ni.e. with an empty range.\n\nThis causes a WARN in KVM's mmu_notifier. In the past, empty ranges\nhave been diagnosed to be off-by-one bugs, hence the WARNing. Given the\nlow (so far) number of unique reports, the benefits of detecting more\nbuggy callers seem to outweigh the cost of having to fix cases such as\nthis one, where userspace is doing something silly. In this particular\ncase, an early return from move_page_tables() is enough to fix the\nissue."
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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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"mm/mremap.c"
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],
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"versions": [
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{
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"version": "7b6efc2bc4f19952b25ebf9b236e5ac43cd386c2",
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"lessThan": "a05540f3903bd8295e8c4cd90dd3d416239a115b",
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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": "7b6efc2bc4f19952b25ebf9b236e5ac43cd386c2",
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"lessThan": "eeaf28e2a0128147d687237e59d5407ee1b14693",
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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": "7b6efc2bc4f19952b25ebf9b236e5ac43cd386c2",
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"lessThan": "e2c328c2a8f9de8b761bd4025b66c63120c55761",
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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": "7b6efc2bc4f19952b25ebf9b236e5ac43cd386c2",
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"lessThan": "c19d8de4e682ec4b0ea2b04a832cd8cc0be3bb31",
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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": "7b6efc2bc4f19952b25ebf9b236e5ac43cd386c2",
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"lessThan": "7d659cb1763ff17d1c6ee082fa6feb4267c7a30b",
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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": "7b6efc2bc4f19952b25ebf9b236e5ac43cd386c2",
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"lessThan": "a04cb99c5d4668fe3f5c0e5b6da1cecd34c3f219",
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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": "7b6efc2bc4f19952b25ebf9b236e5ac43cd386c2",
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"lessThan": "2358aa84ef6dafcf544a557caaa6b91afb4a0bd2",
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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": "7b6efc2bc4f19952b25ebf9b236e5ac43cd386c2",
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"lessThan": "04bc13dae4a27b8d030843c85ae452bb2f1d9c1f",
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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": "7b6efc2bc4f19952b25ebf9b236e5ac43cd386c2",
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"lessThan": "01e67e04c28170c47700c2c226d732bbfedb1ad0",
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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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"mm/mremap.c"
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],
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"versions": [
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{
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"version": "3.2",
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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": "3.2",
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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": "4.9.311",
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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": "4.14.276",
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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": "4.19.238",
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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": "5.4.189",
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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": "5.10.111",
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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": "5.15.34",
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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": "5.16.20",
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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": "5.17.3",
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"lessThanOrEqual": "5.17.*",
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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": "5.18",
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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": "3.2",
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"versionEndExcluding": "4.9.311"
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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": "3.2",
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"versionEndExcluding": "4.14.276"
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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": "3.2",
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"versionEndExcluding": "4.19.238"
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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": "3.2",
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"versionEndExcluding": "5.4.189"
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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": "3.2",
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"versionEndExcluding": "5.10.111"
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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": "3.2",
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"versionEndExcluding": "5.15.34"
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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": "3.2",
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"versionEndExcluding": "5.16.20"
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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": "3.2",
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"versionEndExcluding": "5.17.3"
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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": "3.2",
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"versionEndExcluding": "5.18"
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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/a05540f3903bd8295e8c4cd90dd3d416239a115b"
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},
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{
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"url": "https://git.kernel.org/stable/c/eeaf28e2a0128147d687237e59d5407ee1b14693"
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},
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{
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"url": "https://git.kernel.org/stable/c/e2c328c2a8f9de8b761bd4025b66c63120c55761"
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},
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{
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"url": "https://git.kernel.org/stable/c/c19d8de4e682ec4b0ea2b04a832cd8cc0be3bb31"
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},
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{
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"url": "https://git.kernel.org/stable/c/7d659cb1763ff17d1c6ee082fa6feb4267c7a30b"
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},
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{
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"url": "https://git.kernel.org/stable/c/a04cb99c5d4668fe3f5c0e5b6da1cecd34c3f219"
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},
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{
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"url": "https://git.kernel.org/stable/c/2358aa84ef6dafcf544a557caaa6b91afb4a0bd2"
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},
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{
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"url": "https://git.kernel.org/stable/c/04bc13dae4a27b8d030843c85ae452bb2f1d9c1f"
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},
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{
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"url": "https://git.kernel.org/stable/c/01e67e04c28170c47700c2c226d732bbfedb1ad0"
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}
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],
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"title": "mmmremap.c: avoid pointless invalidate_range_start/end on mremap(old_size=0)",
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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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"id": "CVE-2022-49077",
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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": "2026-11-05T19:42:49.710972Z"
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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": "2026-11-05T19:49:36.139Z"
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}
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}
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]
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}
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} |