332 lines
16 KiB
JSON
332 lines
16 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-2024-41064",
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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": "2024-07-12T12:17:45.628Z",
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"datePublished": "2024-07-29T14:57:26.086Z",
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"dateUpdated": "2026-08-05T11:35:07.901Z"
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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": "2026-08-05T11:35:07.901Z"
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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\npowerpc/eeh: avoid possible crash when edev->pdev changes\n\nIf a PCI device is removed during eeh_pe_report_edev(), edev->pdev\nwill change and can cause a crash, hold the PCI rescan/remove lock\nwhile taking a copy of edev->pdev->bus."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:L - The PowerPC EEH recovery path is entered locally — via `eeh_check_failure()` embedded in the MMIO accessors when a local process drives I/O on a frozen PE — and raced against the local PCI rescan/remove path (sysfs remove, DLPAR, hotplug). There is no remote or network-facing entry to `eeh_pe_bus_get()`.\nAC:L - The attacker drives the racing side (device removal) while the recovery sequence holds the stale `edev->pdev` across `eeh_pe_report()` driver callbacks and `eeh_wait_state()` waits of up to 300 seconds, and `eeh_pe_bus_get()` is reached at multiple points in that sequence, giving a wide and repeatable window.\nPR:L - Entry into the vulnerable recovery path requires no privileges — `eeh_check_failure()`/`eeh_dev_check_failure()`/`eeh_send_failure_ev ent()` perform no capability check, so ordinary unprivileged I/O on an affected PCI device queues the EEH event that reaches `eeh_pe_bus_get()`.\nUI:N - No victim action is needed; the EEH event is queued automatically by the MMIO accessor macros and the recovery kthread runs on its own.\nS:U - The stale dereference and any resulting corruption stay within the kernel's own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - This is a use-after-free read of a `kfree()`d `struct pci_dev`, and the value read (`pdev->bus`) is propagated into further dereferences in `eeh_pe_loc_get_bus()` and the PCI hotplug core, so a reallocated and groomed slab yields an attacker-chosen pointer that the kernel then follows and exposes.\nI:H - The stale/attacker-influenced `struct pci_bus *` is handed to `pci_hp_remove_devices()` and `pci_hp_add_devices()`, which walk and unlink device lists through it, turning the UAF into list corruption and a write primitive exploitable for control-flow hijacking.\nA:H - The commit explicitly describes a crash; dereferencing a freed or concurrently NULLed `edev->pdev` oopses the `eehd` kthread and derails PCI error recovery, leaving the affected devices unusable."
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}
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]
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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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"arch/powerpc/kernel/eeh_pe.c"
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],
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"versions": [
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{
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"version": "9b3c76f08122f5efdbe4992a64b8478cc92dd983",
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"lessThan": "8836e1bf5838ac6c08760e0a2dd7cf6410aa7ff3",
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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": "9b3c76f08122f5efdbe4992a64b8478cc92dd983",
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"lessThan": "033c51dfdbb6b79ab43fb3587276fa82d0a329e1",
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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": "9b3c76f08122f5efdbe4992a64b8478cc92dd983",
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"lessThan": "4fad7fef847b6028475dd7b4c14fcb82b3e51274",
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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": "9b3c76f08122f5efdbe4992a64b8478cc92dd983",
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"lessThan": "4bc246d2d60d071314842fa448faa4ed39082aff",
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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": "9b3c76f08122f5efdbe4992a64b8478cc92dd983",
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"lessThan": "f23c3d1ca9c4b2d626242a4e7e1ec1770447f7b5",
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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": "9b3c76f08122f5efdbe4992a64b8478cc92dd983",
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"lessThan": "428d940a8b6b3350b282c14d3f63350bde65c48b",
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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": "9b3c76f08122f5efdbe4992a64b8478cc92dd983",
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"lessThan": "a1216e62d039bf63a539bbe718536ec789a853dd",
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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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"arch/powerpc/kernel/eeh_pe.c"
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],
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"versions": [
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{
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"version": "3.7",
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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": "3.7",
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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": "5.4.281",
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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": "5.10.223",
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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": "5.15.164",
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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": "6.1.101",
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"lessThanOrEqual": "6.1.*",
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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": "6.6.42",
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"lessThanOrEqual": "6.6.*",
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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": "6.9.11",
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"lessThanOrEqual": "6.9.*",
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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": "6.10",
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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": "3.7",
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"versionEndExcluding": "5.4.281"
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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": "3.7",
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"versionEndExcluding": "5.10.223"
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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": "3.7",
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"type": "ssvc",
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"content": {
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"id": "CVE-2024-41064",
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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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"Automatable": "no"
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"Technical Impact": "partial"
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"version": "2.0.3",
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"timestamp": "2024-09-10T16:21:59.237031Z"
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"title": "CISA ADP Vulnrichment",
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"dateUpdated": "2024-09-11T17:32:58.925Z"
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} |