206 lines
9.8 KiB
JSON
206 lines
9.8 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-2026-72391",
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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": "2026-08-09T03:40:39.924Z",
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"datePublished": "2026-08-15T05:56:19.842Z",
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"dateUpdated": "2026-08-17T05:13:45.125Z"
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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": "2026-08-17T05:13:45.125Z"
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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\nnet: phy: sfp: free mii_bus in sfp_i2c_mdiobus_destroy\n\nsfp_i2c_mdiobus_create() allocates the I2C MDIO bus with mdio_i2c_alloc(),\na plain (non-devm) allocation, and registers it. sfp_i2c_mdiobus_destroy()\nonly unregisters the bus and clears sfp->i2c_mii without calling\nmdiobus_free(). As the only reference to the bus is then cleared, the\nstruct mii_bus is leaked.\n\nThis is hit whenever a copper/RollBall SFP module that instantiated an MDIO\nbus is removed: sfp_sm_main() takes the global teardown path and calls\nsfp_i2c_mdiobus_destroy(). sfp_cleanup(), on driver unbind, frees\nsfp->i2c_mii directly, which is why the leak only triggered on module\nhot-removal and not on unbind.\n\nFree the bus in sfp_i2c_mdiobus_destroy() to match the allocation done in\nsfp_i2c_mdiobus_create()."
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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/net/phy/sfp.c"
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],
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"versions": [
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{
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"version": "e85b1347ace677c3822c12d9332dfaaffe594da6",
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"lessThan": "92dd9a522f01ef57f633a8c1953cf6d48ef2bcd5",
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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": "e85b1347ace677c3822c12d9332dfaaffe594da6",
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"lessThan": "d2c37f26d1a37f8177be5f354537f8ee3ec31cc2",
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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": "e85b1347ace677c3822c12d9332dfaaffe594da6",
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"lessThan": "3183b6f5510c876a1c4b4a6bdc3d0ad8940fe742",
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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": "e85b1347ace677c3822c12d9332dfaaffe594da6",
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"lessThan": "86d379fcf1b79bdf4bc2ac891297f30f63d041d8",
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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": "e85b1347ace677c3822c12d9332dfaaffe594da6",
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"lessThan": "2381bf3f484e8e4fd89a225445872ec14e036ab5",
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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": "e85b1347ace677c3822c12d9332dfaaffe594da6",
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"lessThan": "8f31efff9206f9f0adb853cad6916086aac4d5ef",
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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/net/phy/sfp.c"
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],
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"versions": [
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{
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"version": "6.1",
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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": "6.1",
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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": "6.1.178",
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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": "6.6.145",
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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": "6.12.97",
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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": "6.18.40",
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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": "7.1.5",
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"lessThanOrEqual": "7.1.*",
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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": "7.2",
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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": "6.1",
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"versionEndExcluding": "6.1.178"
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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": "6.1",
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"versionEndExcluding": "6.6.145"
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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": "6.1",
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"versionEndExcluding": "6.12.97"
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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": "6.1",
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"versionEndExcluding": "6.18.40"
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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": "6.1",
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"versionEndExcluding": "7.1.5"
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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": "6.1",
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"versionEndExcluding": "7.2"
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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/92dd9a522f01ef57f633a8c1953cf6d48ef2bcd5"
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},
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{
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"url": "https://git.kernel.org/stable/c/d2c37f26d1a37f8177be5f354537f8ee3ec31cc2"
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},
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{
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"url": "https://git.kernel.org/stable/c/3183b6f5510c876a1c4b4a6bdc3d0ad8940fe742"
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},
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{
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"url": "https://git.kernel.org/stable/c/86d379fcf1b79bdf4bc2ac891297f30f63d041d8"
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},
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{
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"url": "https://git.kernel.org/stable/c/2381bf3f484e8e4fd89a225445872ec14e036ab5"
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},
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{
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"url": "https://git.kernel.org/stable/c/8f31efff9206f9f0adb853cad6916086aac4d5ef"
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}
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],
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"title": "net: phy: sfp: free mii_bus in sfp_i2c_mdiobus_destroy",
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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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}
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} |