266 lines
13 KiB
JSON
266 lines
13 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-2026-98008",
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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": "2026-09-25T10:19:56.068Z",
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"datePublished": "2026-09-25T10:23:33.532Z",
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"dateUpdated": "2026-10-19T09:12:13.751Z"
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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": "2026-10-19T09:12:13.751Z"
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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: macb: fix NULL pointer dereference on unbind with fixed-link\n\nWhen the device tree describes a fixed-link and has no \"mdio\" child\nnode, macb_mii_init() returns early without allocating the MDIO bus,\nleaving bp->mii_bus as NULL.\n\nTwo cleanup paths then dereference this NULL bus:\n\n1. On driver unbind, macb_remove() unconditionally calls\n mdiobus_unregister(bp->mii_bus), which oopses:\n\n Unable to handle kernel NULL pointer dereference at virtual address 00000000000004a8\n pc : mdiobus_unregister+0x14/0xa4\n lr : macb_remove+0x38/0xa4\n Call trace:\n mdiobus_unregister+0x14/0xa4 (P)\n macb_remove+0x38/0xa4\n platform_remove+0x20/0x30\n device_release_driver_internal+0x1c8/0x224\n unbind_store+0xb4/0xbc\n\n2. On the probe error path in macb_probe(), reached when\n macb_mii_init() has succeeded but a subsequent step fails, the\n err_out_unregister_mdio label runs the same unconditional cleanup.\n\nmdiobus_unregister() and mdiobus_free() do not guard against a NULL\nbus, so guard the calls in both macb_remove() and the probe error\npath."
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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/ethernet/cadence/macb_main.c"
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],
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"versions": [
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{
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"version": "831e19e565b5210930fa183730071f8290c61263",
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"lessThan": "afa224cabc0132ca414b9141b1a919ca2d318cd0",
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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": "81db1e52848694761a1aa162ce76198af9964ed8",
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"lessThan": "054ad8e66025eb4778d840bef80c270646cebcd2",
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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": "d0c3601f2c4e12e7689b0f46ebc17525250ea8c3",
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"lessThan": "f737d999fcb8f276d77b01ea4c2016ee01dad19b",
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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": "d0c3601f2c4e12e7689b0f46ebc17525250ea8c3",
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"lessThan": "5710f6a74f63cbba0e15cd75917234916181c9d4",
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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": "d0c3601f2c4e12e7689b0f46ebc17525250ea8c3",
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"lessThan": "edb39c7666bb3924da761dfb417db85c1e5d8ad3",
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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": "d0c3601f2c4e12e7689b0f46ebc17525250ea8c3",
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"lessThan": "38b6be101006d3e7af972999f45d4f1e8250587a",
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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": "cafa5942bd2df3d80e3eeb2deb4bc050f7761f3d",
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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": "c81dcaa9cd0b66816c2ecb6c5df0b6afde9c7da5",
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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": "19088c5378c9fea54e552d8bc7418a3aa1e06990",
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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": "6.1.114",
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"lessThan": "6.1.189",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.6.58",
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"lessThan": "6.6.158",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.10.228",
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"lessThan": "5.11",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.15.169",
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"lessThan": "5.16",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.11.5",
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"lessThan": "6.12",
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"status": "affected",
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"versionType": "semver"
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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/ethernet/cadence/macb_main.c"
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],
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"versions": [
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{
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"version": "6.12",
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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": "6.12",
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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": "6.1.189",
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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": "6.6.158",
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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": "6.12.111",
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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": "6.18.53",
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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": "7.2.7",
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"lessThanOrEqual": "7.2.*",
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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": "7.3",
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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": "6.1.114",
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"versionEndExcluding": "6.1.189"
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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": "6.6.58",
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"versionEndExcluding": "6.6.158"
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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": "6.12",
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"versionEndExcluding": "6.12.111"
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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": "6.12",
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"versionEndExcluding": "6.18.53"
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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": "6.12",
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"versionEndExcluding": "7.2.7"
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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": "6.12",
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"versionEndExcluding": "7.3"
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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": "5.10.228"
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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": "5.15.169"
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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": "6.11.5"
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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/afa224cabc0132ca414b9141b1a919ca2d318cd0"
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},
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{
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"url": "https://git.kernel.org/stable/c/054ad8e66025eb4778d840bef80c270646cebcd2"
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},
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{
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"url": "https://git.kernel.org/stable/c/f737d999fcb8f276d77b01ea4c2016ee01dad19b"
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},
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{
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"url": "https://git.kernel.org/stable/c/5710f6a74f63cbba0e15cd75917234916181c9d4"
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},
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{
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"url": "https://git.kernel.org/stable/c/edb39c7666bb3924da761dfb417db85c1e5d8ad3"
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},
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{
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"url": "https://git.kernel.org/stable/c/38b6be101006d3e7af972999f45d4f1e8250587a"
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}
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],
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"title": "net: macb: fix NULL pointer dereference on unbind with fixed-link",
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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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} |