310 lines
16 KiB
JSON
310 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-2026-53133",
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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": "2026-06-09T07:44:35.386Z",
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"datePublished": "2026-06-25T08:38:22.469Z",
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"dateUpdated": "2026-10-19T19:57:25.374Z"
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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": "2026-08-05T12:33:27.415Z"
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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\nRDMA/umem: Fix truncation for block sizes >= 4G\n\nWhen the iommu is used the linearization of the mapping can give a single\nblock that is very large split across multiple SG entries.\n\nWhen __rdma_block_iter_next() reassembles the split SG entries it is\noverflowing the 32 bit stack values and computed the wrong DMA addresses\nfor blocks after the truncation.\n\nUse the right types to hold DMA addresses."
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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 - Vulnerable code is reached through local RDMA uverbs operations such as opening `/dev/infiniband/uverbsX` and issuing memory-registration commands. Remote RDMA traffic may later exercise a bad MR, but the vulnerable iterator is invoked by local userspace registration, not by network packet parsing.\nAC:L - There is no race or probabilistic condition; on an affected RDMA/IOMMU deployment the attacker controls the MR address, length, and access flags needed to request large aligned mappings. Hardware/IOMMU support is an environmental prerequisite for the affected subsystem, not an exploitation step beyond attacker control.\nPR:L - The uverbs device node is created world-accessible and MR registration does not require CAP_SYS_ADMIN or CAP_NET_ADMIN, though the process must be an unprivileged local user able to use the RDMA device and pin memory under its memlock limits. No real init-namespace root privilege is required.\nUI:N - After local access to the RDMA device, the attacker can perform the open/context/PD/MR registration sequence directly. No separate victim action is required.\nS:U - The impact remains within the kernel/RDMA device memory-management security authority. This is not a guest-to-host escape, IOMMU boundary bypass by a guest, or another cross-scope boundary change.\nC:H - The truncation can program wrong DMA addresses into RDMA memory translation tables for blocks after the overflow. With RDMA read-capable access, the resulting mistranslation can expose unintended memory reachable through the device mapping, so the higher defensible confidentiality impact is High.\nI:H - The same wrong DMA translation can be used with local or remote write-capable MR permissions to direct RDMA writes to unintended mapped memory. Because this is device DMA memory corruption rather than a bounded metadata error, the higher defensible integrity impact is High.\nA:H - Incorrect DMA translations can cause IOMMU/device faults, corrupted RDMA state, or repeated failures of registered memory operations. Given the kernel/device-level DMA fault surface and the requirement to choose the higher severity when uncertain, availability impact is High."
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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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"drivers/infiniband/core/iter.c"
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],
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"versions": [
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{
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"version": "a808273a495c657e33281b181fd7fcc2bb28f662",
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"lessThan": "2ff4b7817e5b78070c30f5fb5e678e452a2628b3",
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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": "a808273a495c657e33281b181fd7fcc2bb28f662",
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"lessThan": "dee2a49adeeb2a5e16a3fc858fa21b841c519802",
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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": "a808273a495c657e33281b181fd7fcc2bb28f662",
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"lessThan": "cc644d5608e3b0dadc970bd6e6aa26b91ea07d0f",
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"status": "affected",
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"version": "a808273a495c657e33281b181fd7fcc2bb28f662",
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"lessThan": "8fe0231adebe086c8a459c790944ac026cd99c6e",
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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": "a808273a495c657e33281b181fd7fcc2bb28f662",
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"lessThan": "baf8685bcf56dc1efb44b8f6a57c42516e549068",
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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": "a808273a495c657e33281b181fd7fcc2bb28f662",
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"lessThan": "afd35fec9297195b759078745549c2671223f24f",
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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": "a808273a495c657e33281b181fd7fcc2bb28f662",
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"lessThan": "ac1aad8e1281534ce936c250f68084fc79c5469e",
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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": "a808273a495c657e33281b181fd7fcc2bb28f662",
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"lessThan": "15fe76e23615f502d051ef0768f86babaf08746c",
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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/infiniband/core/iter.c"
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],
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"versions": [
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{
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"version": "5.2",
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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": "5.2",
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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": "5.10.259",
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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": "5.15.210",
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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": "6.1.176",
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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": "6.6.143",
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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": "6.12.94",
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"lessThanOrEqual": "6.12.*",
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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": "6.18.36",
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"lessThanOrEqual": "6.18.*",
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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": "7.0.13",
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"lessThanOrEqual": "7.0.*",
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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": "7.1",
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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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"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": "5.2",
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"versionEndExcluding": "5.10.259"
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"references": [
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"url": "https://git.kernel.org/stable/c/2ff4b7817e5b78070c30f5fb5e678e452a2628b3"
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"url": "https://git.kernel.org/stable/c/dee2a49adeeb2a5e16a3fc858fa21b841c519802"
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{
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"url": "https://git.kernel.org/stable/c/cc644d5608e3b0dadc970bd6e6aa26b91ea07d0f"
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},
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{
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"url": "https://git.kernel.org/stable/c/8fe0231adebe086c8a459c790944ac026cd99c6e"
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},
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{
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"url": "https://git.kernel.org/stable/c/baf8685bcf56dc1efb44b8f6a57c42516e549068"
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},
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{
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"url": "https://git.kernel.org/stable/c/afd35fec9297195b759078745549c2671223f24f"
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},
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{
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"url": "https://git.kernel.org/stable/c/ac1aad8e1281534ce936c250f68084fc79c5469e"
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},
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{
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"url": "https://git.kernel.org/stable/c/15fe76e23615f502d051ef0768f86babaf08746c"
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}
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],
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"title": "RDMA/umem: Fix truncation for block sizes >= 4G",
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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-2026-53133",
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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": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-10-16T15:25:53.072186Z"
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}
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-190",
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"description": "CWE-190 Integer Overflow or Wraparound"
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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": "2026-10-19T19:57:25.374Z"
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}
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}
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]
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}
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} |