250 lines
12 KiB
JSON
250 lines
12 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-2026-93204",
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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": "2026-09-17T16:02:15.093Z",
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"datePublished": "2026-09-17T16:12:24.403Z",
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"dateUpdated": "2026-10-19T09:07:16.519Z"
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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": "2026-10-19T09:07:16.519Z"
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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\nbatman-adv: dat: atomically update mac addresses\n\nWhen a MAC address is updated in batadv_dat_entry_add(), it is done using a\nsimple copy function. A parallel reader might only see parts of this\nupdate. In worst case, the reader is transporting the half updated MAC\naddress over the network or is creating an ARP response using it -\npoisoning the ARP cache.\n\natomic64_t can be used to store the 48 bit of a mac address. A reader will\nthen either see the old mac address or the new one - never a mixture of\nboth."
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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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"net/batman-adv/distributed-arp-table.c",
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"net/batman-adv/types.h"
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],
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"versions": [
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{
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"version": "2f1dfbe185075a50dc8f0490a136377af53a1c62",
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"lessThan": "181012b3d29c51197c235ee5871fc7512c736855",
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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": "2f1dfbe185075a50dc8f0490a136377af53a1c62",
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"lessThan": "159360a0de831845c4500b4f8638decdcd624040",
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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": "2f1dfbe185075a50dc8f0490a136377af53a1c62",
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"lessThan": "259db2c04586d40b82c5c3002b1e28b0698a0bb7",
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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": "2f1dfbe185075a50dc8f0490a136377af53a1c62",
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"lessThan": "1674855a5b6eacfe35f4db3095d7055c25467274",
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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": "2f1dfbe185075a50dc8f0490a136377af53a1c62",
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"lessThan": "66238e2a74eca5dabf85b0cd2c3c944e474dc2fd",
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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": "2f1dfbe185075a50dc8f0490a136377af53a1c62",
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"lessThan": "a5e4d6cb4f6848b8906c1c493f99a8ccc0638515",
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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": "2f1dfbe185075a50dc8f0490a136377af53a1c62",
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"lessThan": "f68038c77a2f38c09c7e2e4f7fa1f4e246fdf2c9",
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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": "2f1dfbe185075a50dc8f0490a136377af53a1c62",
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"lessThan": "e6de568d3eda3e3c01c868fabd7a9535d5ee4a73",
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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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"net/batman-adv/distributed-arp-table.c",
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"net/batman-adv/types.h"
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],
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"versions": [
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{
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"version": "3.8",
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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": "3.8",
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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": "5.10.271",
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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": "5.15.221",
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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": "6.1.188",
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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": "6.6.157",
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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": "6.12.110",
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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": "6.18.52",
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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": "7.2.6",
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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": "3.8",
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"versionEndExcluding": "5.10.271"
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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": "3.8",
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"versionEndExcluding": "5.15.221"
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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": "3.8",
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"versionEndExcluding": "6.1.188"
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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": "3.8",
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"versionEndExcluding": "6.6.157"
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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": "3.8",
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"versionEndExcluding": "6.12.110"
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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": "3.8",
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"versionEndExcluding": "6.18.52"
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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": "3.8",
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"versionEndExcluding": "7.2.6"
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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": "3.8",
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"versionEndExcluding": "7.3"
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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/181012b3d29c51197c235ee5871fc7512c736855"
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},
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{
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"url": "https://git.kernel.org/stable/c/159360a0de831845c4500b4f8638decdcd624040"
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},
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{
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"url": "https://git.kernel.org/stable/c/259db2c04586d40b82c5c3002b1e28b0698a0bb7"
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},
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{
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"url": "https://git.kernel.org/stable/c/1674855a5b6eacfe35f4db3095d7055c25467274"
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},
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{
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"url": "https://git.kernel.org/stable/c/66238e2a74eca5dabf85b0cd2c3c944e474dc2fd"
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},
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{
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"url": "https://git.kernel.org/stable/c/a5e4d6cb4f6848b8906c1c493f99a8ccc0638515"
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},
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{
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"url": "https://git.kernel.org/stable/c/f68038c77a2f38c09c7e2e4f7fa1f4e246fdf2c9"
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},
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{
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"url": "https://git.kernel.org/stable/c/e6de568d3eda3e3c01c868fabd7a9535d5ee4a73"
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}
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],
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"title": "batman-adv: dat: atomically update mac addresses",
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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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} |