227 lines
11 KiB
JSON
227 lines
11 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-2025-40346",
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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": "2025-04-16T07:20:57.187Z",
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"datePublished": "2025-12-16T13:30:20.395Z",
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"dateUpdated": "2026-05-11T21:47:35.335Z"
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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": "2026-05-11T21:47:35.335Z"
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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\narch_topology: Fix incorrect error check in topology_parse_cpu_capacity()\n\nFix incorrect use of PTR_ERR_OR_ZERO() in topology_parse_cpu_capacity()\nwhich causes the code to proceed with NULL clock pointers. The current\nlogic uses !PTR_ERR_OR_ZERO(cpu_clk) which evaluates to true for both\nvalid pointers and NULL, leading to potential NULL pointer dereference\nin clk_get_rate().\n\nPer include/linux/err.h documentation, PTR_ERR_OR_ZERO(ptr) returns:\n\"The error code within @ptr if it is an error pointer; 0 otherwise.\"\n\nThis means PTR_ERR_OR_ZERO() returns 0 for both valid pointers AND NULL\npointers. Therefore !PTR_ERR_OR_ZERO(cpu_clk) evaluates to true (proceed)\nwhen cpu_clk is either valid or NULL, causing clk_get_rate(NULL) to be\ncalled when of_clk_get() returns NULL.\n\nReplace with !IS_ERR_OR_NULL(cpu_clk) which only proceeds for valid\npointers, preventing potential NULL pointer dereference in clk_get_rate()."
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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/base/arch_topology.c"
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],
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"versions": [
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{
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"version": "b8fe128dad8f97cc9af7c55a264d1fc5ab677195",
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"lessThan": "64da320252e43456cc9ec3055ff567f168467b37",
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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": "b8fe128dad8f97cc9af7c55a264d1fc5ab677195",
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"lessThan": "02fbea0864fd4a863671f5d418129258d7159f68",
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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": "b8fe128dad8f97cc9af7c55a264d1fc5ab677195",
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"lessThan": "a77f8434954cb1e9c42c3854e40855fdcf5ab235",
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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": "b8fe128dad8f97cc9af7c55a264d1fc5ab677195",
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"lessThan": "3373f263bb647fcc3b5237cfaef757633b9ee25e",
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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": "b8fe128dad8f97cc9af7c55a264d1fc5ab677195",
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"lessThan": "45379303124487db3a81219af7565d41f498167f",
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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": "b8fe128dad8f97cc9af7c55a264d1fc5ab677195",
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"lessThan": "3a01b2614e84361aa222f67bc628593987e5cdb2",
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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": "b8fe128dad8f97cc9af7c55a264d1fc5ab677195",
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"lessThan": "2eead19334516c8e9927c11b448fbe512b1f18a1",
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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/base/arch_topology.c"
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],
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"versions": [
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{
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"version": "5.7",
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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": "5.7",
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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": "5.10.246",
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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": "5.15.196",
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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": "6.1.158",
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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": "6.6.115",
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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": "6.12.56",
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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": "6.17.6",
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"lessThanOrEqual": "6.17.*",
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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": "6.18",
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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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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.7",
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"versionEndExcluding": "5.10.246"
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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": "5.7",
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"versionEndExcluding": "6.18"
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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/64da320252e43456cc9ec3055ff567f168467b37"
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},
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{
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"url": "https://git.kernel.org/stable/c/02fbea0864fd4a863671f5d418129258d7159f68"
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},
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{
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"url": "https://git.kernel.org/stable/c/a77f8434954cb1e9c42c3854e40855fdcf5ab235"
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},
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{
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"url": "https://git.kernel.org/stable/c/3373f263bb647fcc3b5237cfaef757633b9ee25e"
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},
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{
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"url": "https://git.kernel.org/stable/c/45379303124487db3a81219af7565d41f498167f"
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},
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{
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"url": "https://git.kernel.org/stable/c/3a01b2614e84361aa222f67bc628593987e5cdb2"
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},
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{
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"url": "https://git.kernel.org/stable/c/2eead19334516c8e9927c11b448fbe512b1f18a1"
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}
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],
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"title": "arch_topology: Fix incorrect error check in topology_parse_cpu_capacity()",
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