338 lines
16 KiB
JSON
338 lines
16 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2026-52909",
|
|
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "Linux",
|
|
"dateReserved": "2026-06-09T07:44:35.366Z",
|
|
"datePublished": "2026-06-19T14:43:33.214Z",
|
|
"dateUpdated": "2026-10-19T19:36:59.506Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"providerMetadata": {
|
|
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"shortName": "Linux",
|
|
"dateUpdated": "2026-08-05T12:31:32.616Z"
|
|
},
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nip6_vti: set netns_immutable on the fallback device.\n\njohn1988 and Noam Rathaus reported that vti6_init_net() does not set the\nnetns_immutable flag on the per-netns fallback tunnel device (ip6_vti0).\n\nOther similar tunnel drivers (like ip6_tunnel, sit, ip6_gre, and ip_tunnel)\ncorrectly set this flag during their fallback device initialization to\nprevent them from being moved to another network namespace."
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"cvssV3_1": {
|
|
"version": "3.1",
|
|
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
|
|
"baseScore": 7.8,
|
|
"baseSeverity": "HIGH"
|
|
},
|
|
"scenarios": [
|
|
{
|
|
"lang": "en",
|
|
"value": "AV:L - The vulnerable operation is reached through local rtnetlink device movement, such as RTM_SETLINK with IFLA_NET_NS_FD, not by unauthenticated remote packets.\nAC:L - An attacker can deterministically create or use network namespaces and move ip6_vti0; no race, special timing, or external condition is required.\nPR:L - The path requires CAP_NET_ADMIN in the relevant network namespace, but that is reachable from an unprivileged user via user namespaces on common deployments.\nUI:N - No victim action is required once the attacker can issue the local netlink operation.\nS:U - The impact remains within the kernel/network-namespace security authority and does not cross a VM, IOMMU, or separate hardware-enforced boundary.\nC:H - Moving the singleton fallback device leaves vti6 per-netns tunnel state pointing at a device in another namespace, which can expose VTI/XFRM tunnel traffic or namespace-scoped network state through an attacker-controlled device.\nI:H - The same cross-namespace device/state mismatch can let the attacker redirect or manipulate VTI6 tunnel delivery and per-netns tunnel semantics, so high integrity impact is defensible.\nA:H - The fallback device is assumed to be one immutable device per netns; violating that invariant can unregister or corrupt tunnel state and related vti6 namespace-migration bugs have produced cleanup-time UAF/BUG conditions."
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"product": "Linux",
|
|
"vendor": "Linux",
|
|
"defaultStatus": "unaffected",
|
|
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
|
|
"programFiles": [
|
|
"net/ipv6/ip6_vti.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "61220ab349485d911083d0b7990ccd3db6c63297",
|
|
"lessThan": "12acc977838c943636fb01e2f3087d2e4cc3b7cc",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "61220ab349485d911083d0b7990ccd3db6c63297",
|
|
"lessThan": "7f28e3948c59481f8db9c9638e204258d26b4e41",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "61220ab349485d911083d0b7990ccd3db6c63297",
|
|
"lessThan": "12c65e2c7fef507551bd7b52123598a761662c01",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "61220ab349485d911083d0b7990ccd3db6c63297",
|
|
"lessThan": "f4b6b4af7ef0661ac153c6f7eb1030aa8482c1a3",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "61220ab349485d911083d0b7990ccd3db6c63297",
|
|
"lessThan": "c5dbd669db5a426b3025512322e1bf2cdbe14305",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "61220ab349485d911083d0b7990ccd3db6c63297",
|
|
"lessThan": "ecf8904067dcba0dad86ece80874841e60317885",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "61220ab349485d911083d0b7990ccd3db6c63297",
|
|
"lessThan": "dcdce3bc9f08026ff3739ee7339e1bef526fc5f3",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "61220ab349485d911083d0b7990ccd3db6c63297",
|
|
"lessThan": "d289d5307762d1838aaece22c6b6fcad9e8865f9",
|
|
"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_vti.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "3.15",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "0",
|
|
"lessThan": "3.15",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "5.10.260",
|
|
"lessThanOrEqual": "5.10.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "5.15.211",
|
|
"lessThanOrEqual": "5.15.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.1.177",
|
|
"lessThanOrEqual": "6.1.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.6.144",
|
|
"lessThanOrEqual": "6.6.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.12.95",
|
|
"lessThanOrEqual": "6.12.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.18.36",
|
|
"lessThanOrEqual": "6.18.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "7.0.13",
|
|
"lessThanOrEqual": "7.0.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "7.1",
|
|
"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": "3.15",
|
|
"versionEndExcluding": "5.10.260"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "3.15",
|
|
"versionEndExcluding": "5.15.211"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "3.15",
|
|
"versionEndExcluding": "6.1.177"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "3.15",
|
|
"versionEndExcluding": "6.6.144"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "3.15",
|
|
"versionEndExcluding": "6.12.95"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "3.15",
|
|
"versionEndExcluding": "6.18.36"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "3.15",
|
|
"versionEndExcluding": "7.0.13"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "3.15",
|
|
"versionEndExcluding": "7.1"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/12acc977838c943636fb01e2f3087d2e4cc3b7cc"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/7f28e3948c59481f8db9c9638e204258d26b4e41"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/12c65e2c7fef507551bd7b52123598a761662c01"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/f4b6b4af7ef0661ac153c6f7eb1030aa8482c1a3"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/c5dbd669db5a426b3025512322e1bf2cdbe14305"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/ecf8904067dcba0dad86ece80874841e60317885"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/dcdce3bc9f08026ff3739ee7339e1bef526fc5f3"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/d289d5307762d1838aaece22c6b6fcad9e8865f9"
|
|
}
|
|
],
|
|
"title": "ip6_vti: set netns_immutable on the fallback device.",
|
|
"x_generator": {
|
|
"engine": "bippy-1.2.0"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"x_adpType": "supplier",
|
|
"providerMetadata": {
|
|
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
|
|
"shortName": "siemens-SADP",
|
|
"dateUpdated": "2026-10-15T01:21:43.580Z"
|
|
},
|
|
"affected": [
|
|
{
|
|
"vendor": "Siemens",
|
|
"product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
|
|
"versions": [
|
|
{
|
|
"status": "affected",
|
|
"version": "0",
|
|
"lessThan": "*",
|
|
"versionType": "custom"
|
|
}
|
|
],
|
|
"defaultStatus": "unknown"
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"id": "CVE-2026-52909",
|
|
"role": "CISA Coordinator",
|
|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "no"
|
|
},
|
|
{
|
|
"Technical Impact": "total"
|
|
}
|
|
],
|
|
"version": "2.0.3",
|
|
"timestamp": "2026-10-16T15:22:25.382574Z"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"type": "CWE",
|
|
"cweId": "CWE-863",
|
|
"description": "CWE-863 Incorrect Authorization"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2026-10-19T19:36:59.506Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |