{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68142", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.370Z", "datePublished": "2026-08-10T11:59:06.048Z", "dateUpdated": "2026-08-10T11:59:06.048Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T11:59:06.048Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngeneve: require CAP_NET_ADMIN in the device netns for changelink\n\nA tunnel changelink() operates on at most two netns, dev_net(dev) and\nthe sticky underlay netns geneve->net. They differ once the device is\ncreated in or moved to a netns other than the one the request runs in.\nThe rtnl changelink path checks CAP_NET_ADMIN only against dev_net(dev),\nso a caller privileged there but not in geneve->net can rewrite a geneve\ndevice whose underlay lives in geneve->net.\n\ngeneve_changelink() applies the new configuration against geneve->net:\ngeneve_link_config() and the geneve_quiesce()/geneve_unquiesce() pair\nreopen the underlay sockets in that netns (geneve_sock_add() uses\ngeneve->net), so the same reasoning as the tunnel changelink series\napplies here.\n\nGate geneve_changelink() with rtnl_dev_link_net_capable(), at the top of\nthe op before any attribute is parsed, matching ipgre_changelink() and\nthe rest of the \"require CAP_NET_ADMIN in the device netns for\nchangelink\" series.\n\nFound by 0sec automated security-research tooling (https://0sec.ai)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/geneve.c"], "versions": [{"version": "5b861f6baa3a22a48d7a4ad0ce38a223d36c978a", "lessThan": "2abdacc927c92fa6a9cc8341e8c9b88dcb561553", "status": "affected", "versionType": "git"}, {"version": "5b861f6baa3a22a48d7a4ad0ce38a223d36c978a", "lessThan": "9de5518fc1fab583526a8f66b8e505c4864dc60a", "status": "affected", "versionType": "git"}, {"version": "5b861f6baa3a22a48d7a4ad0ce38a223d36c978a", "lessThan": "f8c498585d2a08aa623748353c3e61467b7e9fd2", "status": "affected", "versionType": "git"}, {"version": "5b861f6baa3a22a48d7a4ad0ce38a223d36c978a", "lessThan": "95f45e20f1b2cec13823f0f68060ab4b2261b2c1", "status": "affected", "versionType": "git"}, {"version": "5b861f6baa3a22a48d7a4ad0ce38a223d36c978a", "lessThan": "8efb8f8bbb353b8f2fdf4f37534c6d96c9f69e01", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/geneve.c"], "versions": [{"version": "4.14", "status": "affected"}, {"version": "0", "lessThan": "4.14", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.148", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc5", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "7.2-rc5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2abdacc927c92fa6a9cc8341e8c9b88dcb561553"}, {"url": "https://git.kernel.org/stable/c/9de5518fc1fab583526a8f66b8e505c4864dc60a"}, {"url": "https://git.kernel.org/stable/c/f8c498585d2a08aa623748353c3e61467b7e9fd2"}, {"url": "https://git.kernel.org/stable/c/95f45e20f1b2cec13823f0f68060ab4b2261b2c1"}, {"url": "https://git.kernel.org/stable/c/8efb8f8bbb353b8f2fdf4f37534c6d96c9f69e01"}], "title": "geneve: require CAP_NET_ADMIN in the device netns for changelink", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5b861f6baa3a22a48d7a4ad0ce38a223d36c978a,2abdacc927c92fa6a9cc8341e8c9b88dcb561553)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5b861f6baa3a22a48d7a4ad0ce38a223d36c978a,9de5518fc1fab583526a8f66b8e505c4864dc60a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5b861f6baa3a22a48d7a4ad0ce38a223d36c978a,f8c498585d2a08aa623748353c3e61467b7e9fd2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5b861f6baa3a22a48d7a4ad0ce38a223d36c978a,95f45e20f1b2cec13823f0f68060ab4b2261b2c1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5b861f6baa3a22a48d7a4ad0ce38a223d36c978a,8efb8f8bbb353b8f2fdf4f37534c6d96c9f69e01)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4.14,4.14]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.148,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.101,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.42,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.6,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc5,*)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-10T15:30:05.718519+00:00", "updated": "2026-08-10T15:30:05.718554+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}