289 lines
14 KiB
JSON
289 lines
14 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-2022-49926",
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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": "2025-05-01T14:05:17.253Z",
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"datePublished": "2025-05-01T14:11:04.691Z",
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"dateUpdated": "2026-05-11T19:09:23.124Z"
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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": "2026-05-11T19:09:23.124Z"
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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: dsa: Fix possible memory leaks in dsa_loop_init()\n\nkmemleak reported memory leaks in dsa_loop_init():\n\nkmemleak: 12 new suspected memory leaks\n\nunreferenced object 0xffff8880138ce000 (size 2048):\n comm \"modprobe\", pid 390, jiffies 4295040478 (age 238.976s)\n backtrace:\n [<000000006a94f1d5>] kmalloc_trace+0x26/0x60\n [<00000000a9c44622>] phy_device_create+0x5d/0x970\n [<00000000d0ee2afc>] get_phy_device+0xf3/0x2b0\n [<00000000dca0c71f>] __fixed_phy_register.part.0+0x92/0x4e0\n [<000000008a834798>] fixed_phy_register+0x84/0xb0\n [<0000000055223fcb>] dsa_loop_init+0xa9/0x116 [dsa_loop]\n ...\n\nThere are two reasons for memleak in dsa_loop_init().\n\nFirst, fixed_phy_register() create and register phy_device:\n\nfixed_phy_register()\n get_phy_device()\n phy_device_create() # freed by phy_device_free()\n phy_device_register() # freed by phy_device_remove()\n\nBut fixed_phy_unregister() only calls phy_device_remove().\nSo the memory allocated in phy_device_create() is leaked.\n\nSecond, when mdio_driver_register() fail in dsa_loop_init(),\nit just returns and there is no cleanup for phydevs.\n\nFix the problems by catching the error of mdio_driver_register()\nin dsa_loop_init(), then calling both fixed_phy_unregister() and\nphy_device_free() to release phydevs.\nAlso add a function for phydevs cleanup to avoid duplacate."
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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/dsa/dsa_loop.c"
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],
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"versions": [
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{
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"version": "98cd1552ea27e512c7e99e2aa76042a26e4fb25c",
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"lessThan": "935b4beb724946a37cebf97191592d4879d3a3a3",
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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": "98cd1552ea27e512c7e99e2aa76042a26e4fb25c",
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"lessThan": "d593e1ede655b74c42e4e4fe285ea64aee96fb5c",
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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": "98cd1552ea27e512c7e99e2aa76042a26e4fb25c",
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"lessThan": "bbc5d7b46a729bfcbb5544f6612b7a67dd4f4d6f",
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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": "98cd1552ea27e512c7e99e2aa76042a26e4fb25c",
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"lessThan": "37a098fc9b42bd7fce66764866aa514639667b6e",
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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": "98cd1552ea27e512c7e99e2aa76042a26e4fb25c",
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"lessThan": "9f555b1584fc2d5d16ee3c4d9438e93ac7c502c7",
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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": "98cd1552ea27e512c7e99e2aa76042a26e4fb25c",
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"lessThan": "4d2024b138d9f7b02ae13ee997fd3a71e9e46254",
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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": "98cd1552ea27e512c7e99e2aa76042a26e4fb25c",
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"lessThan": "633efc8b3dc96f56f5a57f2a49764853a2fa3f50",
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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/dsa/dsa_loop.c"
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],
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"versions": [
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{
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"version": "4.12",
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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": "4.12",
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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": "4.14.299",
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"lessThanOrEqual": "4.14.*",
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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": "4.19.265",
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"lessThanOrEqual": "4.19.*",
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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": "5.4.224",
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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": "5.10.154",
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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": "5.15.78",
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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": "6.0.8",
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"lessThanOrEqual": "6.0.*",
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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",
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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": "4.12",
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"versionEndExcluding": "4.14.299"
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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": "4.12",
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"versionEndExcluding": "4.19.265"
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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": "4.12",
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"versionEndExcluding": "5.4.224"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "5.10.154"
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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": "4.12",
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"versionEndExcluding": "5.15.78"
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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": "4.12",
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"versionEndExcluding": "6.0.8"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.12",
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"versionEndExcluding": "6.1"
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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/935b4beb724946a37cebf97191592d4879d3a3a3"
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},
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{
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"url": "https://git.kernel.org/stable/c/d593e1ede655b74c42e4e4fe285ea64aee96fb5c"
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},
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{
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"url": "https://git.kernel.org/stable/c/bbc5d7b46a729bfcbb5544f6612b7a67dd4f4d6f"
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},
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{
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"url": "https://git.kernel.org/stable/c/37a098fc9b42bd7fce66764866aa514639667b6e"
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},
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{
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"url": "https://git.kernel.org/stable/c/9f555b1584fc2d5d16ee3c4d9438e93ac7c502c7"
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},
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{
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"url": "https://git.kernel.org/stable/c/4d2024b138d9f7b02ae13ee997fd3a71e9e46254"
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},
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{
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"url": "https://git.kernel.org/stable/c/633efc8b3dc96f56f5a57f2a49764853a2fa3f50"
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}
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],
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"title": "net: dsa: Fix possible memory leaks in dsa_loop_init()",
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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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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "CWE",
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"cweId": "CWE-401",
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"lang": "en",
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"description": "CWE-401 Missing Release of Memory after Effective Lifetime"
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}
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]
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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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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 5.5,
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"attackVector": "LOCAL",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"integrityImpact": "NONE",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "NONE"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2025-10-01T14:56:55.465570Z",
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"id": "CVE-2022-49926",
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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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"role": "CISA Coordinator",
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"version": "2.0.3"
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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": "2025-10-01T14:56:58.099Z"
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}
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}
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]
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}
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} |