{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72051", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.902Z", "datePublished": "2026-08-15T05:52:08.445Z", "dateUpdated": "2026-08-15T05:52:08.445Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T05:52:08.445Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ip6_tunnel: require CAP_NET_ADMIN in the device netns for changelink\n\nip6_tnl_changelink() operates on at most two netns, dev_net(dev) and the\ntunnel link netns t->net. They differ once the device is created in or\nmoved to a netns other than the one the request runs in. The rtnl\nchangelink path checks CAP_NET_ADMIN only against dev_net(dev), so a\ncaller privileged there but not in t->net can rewrite a tunnel that\nlives in t->net.\n\nGate ip6_tnl_changelink() on rtnl_dev_link_net_capable() at its top,\nbefore any attribute is parsed."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv6/ip6_tunnel.c"], "versions": [{"version": "0bd8762824e73a3cce7b7560a97463301764b616", "lessThan": "2636d061bc237a2446a146e42dcc6563acfa7432", "status": "affected", "versionType": "git"}, {"version": "0bd8762824e73a3cce7b7560a97463301764b616", "lessThan": "7f68f7928484f463a5bc0d50e6fdd8d16f55a5aa", "status": "affected", "versionType": "git"}, {"version": "0bd8762824e73a3cce7b7560a97463301764b616", "lessThan": "234cd54fc500f69db43e37de38603da617fbbeea", "status": "affected", "versionType": "git"}, {"version": "0bd8762824e73a3cce7b7560a97463301764b616", "lessThan": "d4bcc202a3530c856e1cb183384bc9cc8fddab22", "status": "affected", "versionType": "git"}, {"version": "0bd8762824e73a3cce7b7560a97463301764b616", "lessThan": "2496fa0b7d180b3ad356b514e7ff93bb14e6140a", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv6/ip6_tunnel.c"], "versions": [{"version": "3.12", "status": "affected"}, {"version": "0", "lessThan": "3.12", "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": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "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": "3.12", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "7.2-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2636d061bc237a2446a146e42dcc6563acfa7432"}, {"url": "https://git.kernel.org/stable/c/7f68f7928484f463a5bc0d50e6fdd8d16f55a5aa"}, {"url": "https://git.kernel.org/stable/c/234cd54fc500f69db43e37de38603da617fbbeea"}, {"url": "https://git.kernel.org/stable/c/d4bcc202a3530c856e1cb183384bc9cc8fddab22"}, {"url": "https://git.kernel.org/stable/c/2496fa0b7d180b3ad356b514e7ff93bb14e6140a"}], "title": "net: ip6_tunnel: require CAP_NET_ADMIN in the device netns for changelink", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/ipv6/ip6_tunnel.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "2636d061bc237a2446a146e42dcc6563acfa7432", "status": "affected", "version": "0bd8762824e73a3cce7b7560a97463301764b616", "versionType": "git"}, {"lessThan": "7f68f7928484f463a5bc0d50e6fdd8d16f55a5aa", "status": "affected", "version": "0bd8762824e73a3cce7b7560a97463301764b616", "versionType": "git"}, {"lessThan": "234cd54fc500f69db43e37de38603da617fbbeea", "status": "affected", "version": "0bd8762824e73a3cce7b7560a97463301764b616", "versionType": "git"}, {"lessThan": "d4bcc202a3530c856e1cb183384bc9cc8fddab22", "status": "affected", "version": "0bd8762824e73a3cce7b7560a97463301764b616", "versionType": "git"}, {"lessThan": "2496fa0b7d180b3ad356b514e7ff93bb14e6140a", "status": "affected", "version": "0bd8762824e73a3cce7b7560a97463301764b616", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/ipv6/ip6_tunnel.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.12"}, {"lessThan": "3.12", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.148", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.101", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ip6_tunnel: require CAP_NET_ADMIN in the device netns for changelink\n\nip6_tnl_changelink() operates on at most two netns, dev_net(dev) and the\ntunnel link netns t->net. They differ once the device is created in or\nmoved to a netns other than the one the request runs in. The rtnl\nchangelink path checks CAP_NET_ADMIN only against dev_net(dev), so a\ncaller privileged there but not in t->net can rewrite a tunnel that\nlives in t->net.\n\nGate ip6_tnl_changelink() on rtnl_dev_link_net_capable() at its top,\nbefore any attribute is parsed."}], "id": "CVE-2026-72051", "lastModified": "2026-08-15T06:21:14.423", "metrics": {}, "published": "2026-08-15T06:21:14.423", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/234cd54fc500f69db43e37de38603da617fbbeea"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2496fa0b7d180b3ad356b514e7ff93bb14e6140a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2636d061bc237a2446a146e42dcc6563acfa7432"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7f68f7928484f463a5bc0d50e6fdd8d16f55a5aa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d4bcc202a3530c856e1cb183384bc9cc8fddab22"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0bd8762824e73a3cce7b7560a97463301764b616,2636d061bc237a2446a146e42dcc6563acfa7432)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0bd8762824e73a3cce7b7560a97463301764b616,7f68f7928484f463a5bc0d50e6fdd8d16f55a5aa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0bd8762824e73a3cce7b7560a97463301764b616,234cd54fc500f69db43e37de38603da617fbbeea)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0bd8762824e73a3cce7b7560a97463301764b616,d4bcc202a3530c856e1cb183384bc9cc8fddab22)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0bd8762824e73a3cce7b7560a97463301764b616,2496fa0b7d180b3ad356b514e7ff93bb14e6140a)"}}], "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": "semver", "value": "3.12"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.12)"}}, {"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": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc1,*]"}}], "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": "2026-08-15T08:45:05.632148+00:00", "updated": "2026-08-15T11:00:05.056120+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-284"]}