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-2026-99072",
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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": "2026-09-25T10:25:14.389Z",
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"datePublished": "2026-10-23T12:23:15.735Z",
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"dateUpdated": "2026-10-30T12:41:31.995Z"
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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": "2026-10-30T12:41:31.995Z"
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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\nipv4: stop route notification sizing when nexthop group shrinks\n\nCommit 680aea08e78c (\"net: ipv4: Emit notification when fib\nhardware flags are changed\") added an RCU-only fib_nlmsg_size() call\nfor asynchronous hardware flag notifications.\n\nfib_nlmsg_size() checks fib_info_num_path() before each iteration,\nthen fib_info_nhc() independently reloads nh->nh_grp. If\nRTM_NEWNEXTHOP replaces a group with fewer paths between those loads,\nfib_info_nhc() returns NULL and fib_nexthop_nlmsg_size() dereferences\nit.\n\nStop sizing when the indexed path is absent. Nexthop groups are\ndense, so the current snapshot has no later path."
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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/ipv4/fib_semantics.c"
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],
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"versions": [
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{
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"version": "680aea08e78c003292415518ad270bc20f9c80b1",
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"lessThan": "96f3fbb8575593657c7e80786dc3251d2fe3931b",
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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": "680aea08e78c003292415518ad270bc20f9c80b1",
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"lessThan": "81f0deb02a5b5477f236bbbaed1149b779a8632b",
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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": "680aea08e78c003292415518ad270bc20f9c80b1",
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"lessThan": "72d9d17092bb37b0717f12042a0817d01a1f9e78",
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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": "680aea08e78c003292415518ad270bc20f9c80b1",
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"lessThan": "ad1c9f1b98c92609e9bb2ae8f05916defc3b0a54",
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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": "680aea08e78c003292415518ad270bc20f9c80b1",
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"lessThan": "c1f48d1c2d5e9efd904dbbc2f2b3d41543e55c49",
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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": "680aea08e78c003292415518ad270bc20f9c80b1",
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"lessThan": "ad2b3a68b8a7d5d27de88e05674e4adb1ce46d88",
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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": "680aea08e78c003292415518ad270bc20f9c80b1",
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"lessThan": "d3daa33c7af92e38f2274bbd2576f58bfbaf89e6",
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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/ipv4/fib_semantics.c"
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],
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"versions": [
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{
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"version": "5.12",
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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": "5.12",
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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": "5.15.224",
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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": "6.1.191",
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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": "6.6.160",
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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": "6.12.113",
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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": "6.18.57",
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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": "7.2.11",
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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": "5.12",
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"versionEndExcluding": "5.15.224"
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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": "5.12",
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"versionEndExcluding": "6.1.191"
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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": "5.12",
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"versionEndExcluding": "6.6.160"
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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": "5.12",
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"versionEndExcluding": "6.12.113"
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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": "5.12",
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"versionEndExcluding": "6.18.57"
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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": "5.12",
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"versionEndExcluding": "7.2.11"
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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": "5.12",
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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/96f3fbb8575593657c7e80786dc3251d2fe3931b"
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},
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{
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"url": "https://git.kernel.org/stable/c/81f0deb02a5b5477f236bbbaed1149b779a8632b"
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},
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{
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"url": "https://git.kernel.org/stable/c/72d9d17092bb37b0717f12042a0817d01a1f9e78"
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},
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{
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"url": "https://git.kernel.org/stable/c/ad1c9f1b98c92609e9bb2ae8f05916defc3b0a54"
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},
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{
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"url": "https://git.kernel.org/stable/c/c1f48d1c2d5e9efd904dbbc2f2b3d41543e55c49"
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},
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{
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"url": "https://git.kernel.org/stable/c/ad2b3a68b8a7d5d27de88e05674e4adb1ce46d88"
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},
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{
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"url": "https://git.kernel.org/stable/c/d3daa33c7af92e38f2274bbd2576f58bfbaf89e6"
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}
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],
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"title": "ipv4: stop route notification sizing when nexthop group shrinks",
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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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} |