194 lines
9.4 KiB
JSON
194 lines
9.4 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-2026-23032",
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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": "2026-01-13T15:37:45.942Z",
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"datePublished": "2026-01-31T11:42:11.640Z",
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"dateUpdated": "2026-06-02T13:00:53.339Z"
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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": "2026-05-11T21:58:41.157Z"
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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\nnull_blk: fix kmemleak by releasing references to fault configfs items\n\nWhen CONFIG_BLK_DEV_NULL_BLK_FAULT_INJECTION is enabled, the null-blk\ndriver sets up fault injection support by creating the timeout_inject,\nrequeue_inject, and init_hctx_fault_inject configfs items as children\nof the top-level nullbX configfs group.\n\nHowever, when the nullbX device is removed, the references taken to\nthese fault-config configfs items are not released. As a result,\nkmemleak reports a memory leak, for example:\n\nunreferenced object 0xc00000021ff25c40 (size 32):\n comm \"mkdir\", pid 10665, jiffies 4322121578\n hex dump (first 32 bytes):\n 69 6e 69 74 5f 68 63 74 78 5f 66 61 75 6c 74 5f init_hctx_fault_\n 69 6e 6a 65 63 74 00 88 00 00 00 00 00 00 00 00 inject..........\n backtrace (crc 1a018c86):\n __kmalloc_node_track_caller_noprof+0x494/0xbd8\n kvasprintf+0x74/0xf4\n config_item_set_name+0xf0/0x104\n config_group_init_type_name+0x48/0xfc\n fault_config_init+0x48/0xf0\n 0xc0080000180559e4\n configfs_mkdir+0x304/0x814\n vfs_mkdir+0x49c/0x604\n do_mkdirat+0x314/0x3d0\n sys_mkdir+0xa0/0xd8\n system_call_exception+0x1b0/0x4f0\n system_call_vectored_common+0x15c/0x2ec\n\nFix this by explicitly releasing the references to the fault-config\nconfigfs items when dropping the reference to the top-level nullbX\nconfigfs group."
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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/block/null_blk/main.c"
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],
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"versions": [
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{
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"version": "bb4c19e030f45c5416f1eb4daa94fbaf7165e9ea",
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"lessThan": "1a3286edf4d48ce37f8982ff3c3b65159a5ecbb2",
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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": "bb4c19e030f45c5416f1eb4daa94fbaf7165e9ea",
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"lessThan": "d59ba448ccd595d5d65e197216cf781a87db2b28",
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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": "bb4c19e030f45c5416f1eb4daa94fbaf7165e9ea",
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"lessThan": "f1718da051282698aa8fa150bebb9724f6389fda",
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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": "bb4c19e030f45c5416f1eb4daa94fbaf7165e9ea",
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"lessThan": "40b94ec7edbbb867c4e26a1a43d2b898f04b93c5",
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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/block/null_blk/main.c"
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],
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"versions": [
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{
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"version": "6.4",
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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": "6.4",
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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": "6.6.122",
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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": "6.12.67",
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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": "6.18.7",
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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": "6.19",
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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": "6.4",
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"versionEndExcluding": "6.6.122"
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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": "6.4",
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"versionEndExcluding": "6.12.67"
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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": "6.4",
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"versionEndExcluding": "6.18.7"
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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": "6.4",
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"versionEndExcluding": "6.19"
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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/1a3286edf4d48ce37f8982ff3c3b65159a5ecbb2"
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},
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{
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"url": "https://git.kernel.org/stable/c/d59ba448ccd595d5d65e197216cf781a87db2b28"
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},
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{
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"url": "https://git.kernel.org/stable/c/f1718da051282698aa8fa150bebb9724f6389fda"
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},
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{
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"url": "https://git.kernel.org/stable/c/40b94ec7edbbb867c4e26a1a43d2b898f04b93c5"
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}
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],
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"title": "null_blk: fix kmemleak by releasing references to fault configfs items",
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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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"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": "2026-06-02T13:00:53.339Z"
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},
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"affected": [
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{
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"vendor": "Siemens",
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"product": "RUGGEDCOM RST2428P",
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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": "V4.0",
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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-253495.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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} |