261 lines
12 KiB
JSON
261 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-2022-49776",
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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": "2025-04-16T07:17:33.805Z",
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"datePublished": "2025-05-01T14:09:12.572Z",
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"dateUpdated": "2026-11-05T19:49:43.688Z"
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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": "2026-05-11T19:06:33.701Z"
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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\nmacvlan: enforce a consistent minimal mtu\n\nmacvlan should enforce a minimal mtu of 68, even at link creation.\n\nThis patch avoids the current behavior (which could lead to crashes\nin ipv6 stack if the link is brought up)\n\n$ ip link add macvlan1 link eno1 mtu 8 type macvlan # This should fail !\n$ ip link sh dev macvlan1\n5: macvlan1@eno1: <BROADCAST,MULTICAST> mtu 8 qdisc noop\n state DOWN mode DEFAULT group default qlen 1000\n link/ether 02:47:6c:24:74:82 brd ff:ff:ff:ff:ff:ff\n$ ip link set macvlan1 mtu 67\nError: mtu less than device minimum.\n$ ip link set macvlan1 mtu 68\n$ ip link set macvlan1 mtu 8\nError: mtu less than device minimum."
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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/macvlan.c"
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],
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"versions": [
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{
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"version": "91572088e3fdbf4fe31cf397926d8b890fdb3237",
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"lessThan": "d2fee7d121d189c6dc905b727d60e7043a6655bb",
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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": "91572088e3fdbf4fe31cf397926d8b890fdb3237",
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"lessThan": "650137a7c0b2892df2e5b0bc112d7b09a78c93c8",
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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": "91572088e3fdbf4fe31cf397926d8b890fdb3237",
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"lessThan": "a62aa84fe19eb24d083d600a074c009a0a66d4f3",
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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": "91572088e3fdbf4fe31cf397926d8b890fdb3237",
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"lessThan": "e929ec98c0c3b10d9c07f3776df0c1a02d7a763e",
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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": "91572088e3fdbf4fe31cf397926d8b890fdb3237",
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"lessThan": "e41cbf98df22d08402e65174d147cbb187fe1a33",
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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": "91572088e3fdbf4fe31cf397926d8b890fdb3237",
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"lessThan": "2b055c719d8f94c15ec9b7659978133030c6a353",
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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": "91572088e3fdbf4fe31cf397926d8b890fdb3237",
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"lessThan": "b64085b00044bdf3cd1c9825e9ef5b2e0feae91a",
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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/macvlan.c"
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],
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"versions": [
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{
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"version": "4.10",
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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": "4.10",
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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": "4.14.300",
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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": "4.19.267",
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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": "5.4.225",
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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": "5.10.156",
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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": "5.15.80",
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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": "6.0.10",
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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": "4.10",
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"versionEndExcluding": "4.14.300"
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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": "4.10",
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"versionEndExcluding": "4.19.267"
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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": "4.10",
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"versionEndExcluding": "5.4.225"
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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": "4.10",
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"versionEndExcluding": "5.10.156"
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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": "4.10",
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"versionEndExcluding": "5.15.80"
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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": "4.10",
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"versionEndExcluding": "6.0.10"
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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": "4.10",
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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/d2fee7d121d189c6dc905b727d60e7043a6655bb"
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},
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{
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"url": "https://git.kernel.org/stable/c/650137a7c0b2892df2e5b0bc112d7b09a78c93c8"
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},
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{
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"url": "https://git.kernel.org/stable/c/a62aa84fe19eb24d083d600a074c009a0a66d4f3"
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},
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{
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"url": "https://git.kernel.org/stable/c/e929ec98c0c3b10d9c07f3776df0c1a02d7a763e"
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},
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{
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"url": "https://git.kernel.org/stable/c/e41cbf98df22d08402e65174d147cbb187fe1a33"
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},
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{
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"url": "https://git.kernel.org/stable/c/2b055c719d8f94c15ec9b7659978133030c6a353"
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},
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{
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"url": "https://git.kernel.org/stable/c/b64085b00044bdf3cd1c9825e9ef5b2e0feae91a"
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}
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],
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"title": "macvlan: enforce a consistent minimal mtu",
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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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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2022-49776",
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"role": "CISA Coordinator",
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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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"version": "2.0.3",
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"timestamp": "2026-11-05T19:47:27.116715Z"
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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": "2026-11-05T19:49:43.688Z"
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}
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}
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]
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}
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} |