321 lines
16 KiB
JSON
321 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-2024-42276",
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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": "2024-07-30T07:40:12.261Z",
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"datePublished": "2024-08-17T09:08:44.694Z",
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"dateUpdated": "2026-10-15T00:48:10.643Z"
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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": "2026-08-05T11:36:17.006Z"
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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\nnvme-pci: add missing condition check for existence of mapped data\n\nnvme_map_data() is called when request has physical segments, hence\nthe nvme_unmap_data() should have same condition to avoid dereference."
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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 flaw is in the NVMe PCI host driver's request submission path (`nvme_prep_rq`), reached only by locally submitted block I/O — ordinary filesystem/direct I/O or `NVME_IOCTL_IO_CMD`/io_uring passthrough on `/dev/nvme0n1`. There is no remote or adjacent-network path to this code.\nAC:L - The error path is entered when the metadata DMA mapping fails, which an attacker can drive by flooding concurrent I/O to exhaust swiotlb bounce-buffer slots or IOVA space (guaranteed bounce-through in confidential-compute guests or DMA-mask-limited setups), and the stale `iod` state is deterministic once the path is taken. No timing race the attacker cannot control is involved.\nPR:L - Only an unprivileged local user with access to an NVMe namespace is required — normal file I/O on a PI/metadata-formatted namespace sets `REQ_INTEGRITY` with no capability at all, and `nvme_cmd_allowed()` explicitly permits unprivileged passthrough of non-intrusive I/O commands without `CAP_SYS_ADMIN`.\nUI:N - The attacker triggers the condition entirely through its own I/O submissions; no action by another user or administrator is needed.\nS:U - The corruption is confined to kernel memory and DMA mappings managed by the same kernel security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - `nvme_unmap_data()` reads a stale, already-freed `iod->sgt.sgl` scatterlist, and the resulting mempool double-free lets two concurrent requests share one SGL so one request's data can be steered into another's buffers; spurious `dma_unmap_page()` of a reassigned IOVA can likewise expose unrelated memory contents to the device.\nI:H - The double `mempool_free()` of the scatterlist is a heap double-free primitive suitable for controlled heap corruption, and tearing down a DMA mapping that has been reallocated leaves the device DMA-writing into memory now owned by other subsystems — both give arbitrary-write-class integrity impact.\nA:H - The path hits `WARN_ON_ONCE()` and then unmaps DMA using garbage addresses and frees an invalid pointer, producing IOMMU faults, slab/mempool corruption, and kernel oops or panic."
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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/nvme/host/pci.c"
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],
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"versions": [
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{
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"version": "4aedb705437f6f98b45f45c394e6803ca67abd33",
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"lessThan": "3f8ec1d6b0ebd8268307d52be8301973fa5a01ec",
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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": "4aedb705437f6f98b45f45c394e6803ca67abd33",
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"lessThan": "be23ae63080e0bf9e246ab20207200bca6585eba",
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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": "4aedb705437f6f98b45f45c394e6803ca67abd33",
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"lessThan": "7cc1f4cd90a00b6191cb8cda2d1302fdce59361c",
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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": "4aedb705437f6f98b45f45c394e6803ca67abd33",
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"lessThan": "d135c3352f7c947a922da93c8e763ee6bc208b64",
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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": "4aedb705437f6f98b45f45c394e6803ca67abd33",
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"lessThan": "77848b379e9f85a08048a2c8b3b4a7e8396f5f83",
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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": "4aedb705437f6f98b45f45c394e6803ca67abd33",
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"lessThan": "70100fe721840bf6d8e5abd25b8bffe4d2e049b7",
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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": "4aedb705437f6f98b45f45c394e6803ca67abd33",
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"lessThan": "c31fad1470389666ac7169fe43aa65bf5b7e2cfd",
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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/nvme/host/pci.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": "5.4.282",
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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": "5.10.224",
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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": "5.15.165",
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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": "6.1.103",
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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": "6.6.44",
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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": "6.10.3",
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"lessThanOrEqual": "6.10.*",
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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": "6.11",
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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": "5.2",
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"versionEndExcluding": "5.4.282"
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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": "5.2",
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"versionEndExcluding": "5.10.224"
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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": "5.2",
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"versionEndExcluding": "5.15.165"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.2",
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.2",
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"versionEndExcluding": "6.6.44"
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"references": [
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"url": "https://git.kernel.org/stable/c/3f8ec1d6b0ebd8268307d52be8301973fa5a01ec"
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{
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"url": "https://git.kernel.org/stable/c/be23ae63080e0bf9e246ab20207200bca6585eba"
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"url": "https://git.kernel.org/stable/c/7cc1f4cd90a00b6191cb8cda2d1302fdce59361c"
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},
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{
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"url": "https://git.kernel.org/stable/c/d135c3352f7c947a922da93c8e763ee6bc208b64"
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},
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{
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"url": "https://git.kernel.org/stable/c/77848b379e9f85a08048a2c8b3b4a7e8396f5f83"
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{
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"url": "https://git.kernel.org/stable/c/70100fe721840bf6d8e5abd25b8bffe4d2e049b7"
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{
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"url": "https://git.kernel.org/stable/c/c31fad1470389666ac7169fe43aa65bf5b7e2cfd"
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}
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],
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"title": "nvme-pci: add missing condition check for existence of mapped data",
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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-2024-42276",
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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": "2024-09-10T16:11:52.374763Z"
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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": "2024-09-12T17:33:31.619Z"
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}
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},
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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://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"
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}
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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": "2025-11-03T22:03:15.961Z"
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}
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},
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{
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"x_adpType": "supplier",
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"providerMetadata": {
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"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
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"shortName": "siemens-SADP",
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"dateUpdated": "2026-10-15T00:48:10.643Z"
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},
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"affected": [
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{
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"vendor": "Siemens",
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"product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
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"versions": [
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{
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"status": "affected",
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"version": "0",
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"lessThan": "V1.1.1",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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}
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],
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"references": [
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{
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"url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"
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}
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]
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}
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]
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}
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} |