222 lines
11 KiB
JSON
222 lines
11 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2026-43101",
|
|
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "Linux",
|
|
"dateReserved": "2026-05-01T14:12:55.984Z",
|
|
"datePublished": "2026-05-06T07:40:30.969Z",
|
|
"dateUpdated": "2026-10-30T12:24:56.256Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"providerMetadata": {
|
|
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"shortName": "Linux",
|
|
"dateUpdated": "2026-10-30T12:24:56.256Z"
|
|
},
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data()\n\nWe need to check __in6_dev_get() for possible NULL value, as\nsuggested by Yiming Qian.\n\nAlso add skb_dst_dev_rcu() instead of skb_dst_dev(),\nand two missing READ_ONCE().\n\nNote that @dev can't be NULL."
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"cvssV3_1": {
|
|
"version": "3.1",
|
|
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
|
|
"baseScore": 7.5,
|
|
"baseSeverity": "HIGH"
|
|
},
|
|
"scenarios": [
|
|
{
|
|
"lang": "en",
|
|
"value": "AV:N - The vulnerable helper is reachable while processing IPv6 IOAM Hop-by-Hop options and IOAM LWT output for packets crossing an IOAM-enabled IPv6 node, so an attacker can trigger it with network traffic in a configured IOAM deployment.\nAC:L - Once IOAM is enabled/configured on the target path, triggering only requires a valid pre-allocated trace with ingress/egress interface ID fields and a route/device state where `__in6_dev_get()` returns NULL; there is no race or difficult timing requirement.\nPR:N - The attacker does not need credentials on the target to send the triggering IPv6 traffic; the administrative IOAM setup is a target deployment condition rather than an attacker privilege.\nUI:N - No victim user action is required after the vulnerable node is configured; packet processing alone reaches the dereference.\nS:U - The impact is within the same kernel/networking security authority and does not cross a VM, IOMMU, or similar boundary.\nC:N - The bug is a NULL pointer dereference of missing IPv6 device state, not an out-of-bounds read or information disclosure primitive.\nI:N - The fixed issue does not provide attacker-controlled writes or data modification; it only prevents dereferencing NULL `inet6_dev` pointers.\nA:H - A NULL pointer dereference in kernel packet processing can oops or panic the system, causing high availability impact."
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"product": "Linux",
|
|
"vendor": "Linux",
|
|
"defaultStatus": "unaffected",
|
|
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
|
|
"programFiles": [
|
|
"net/ipv6/ioam6.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "9ee11f0fff205b4b3df9750bff5e94f97c71b6a0",
|
|
"lessThan": "dd0d2827b3643ff307c766865f8e31eab5cbd1f5",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "9ee11f0fff205b4b3df9750bff5e94f97c71b6a0",
|
|
"lessThan": "34b8390ac0ba57004b90ea568ac06f50bf896a80",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "9ee11f0fff205b4b3df9750bff5e94f97c71b6a0",
|
|
"lessThan": "f87aa5d1a7f56727a768757613a303b4245444a1",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "9ee11f0fff205b4b3df9750bff5e94f97c71b6a0",
|
|
"lessThan": "4198aab6f000b4febb18ea820fea20634dd789c7",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "9ee11f0fff205b4b3df9750bff5e94f97c71b6a0",
|
|
"lessThan": "3719c234fa94c37c955b1ecd3742ef280ec135e6",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "9ee11f0fff205b4b3df9750bff5e94f97c71b6a0",
|
|
"lessThan": "4e65a8b8daa18d63255ec58964dd192c7fdd9f8b",
|
|
"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/ioam6.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "5.15",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "0",
|
|
"lessThan": "5.15",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.1.191",
|
|
"lessThanOrEqual": "6.1.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.6.160",
|
|
"lessThanOrEqual": "6.6.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.12.114",
|
|
"lessThanOrEqual": "6.12.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.18.24",
|
|
"lessThanOrEqual": "6.18.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "6.19.14",
|
|
"lessThanOrEqual": "6.19.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "7.0",
|
|
"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": "5.15",
|
|
"versionEndExcluding": "6.1.191"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.15",
|
|
"versionEndExcluding": "6.6.160"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.15",
|
|
"versionEndExcluding": "6.12.114"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.15",
|
|
"versionEndExcluding": "6.18.24"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.15",
|
|
"versionEndExcluding": "6.19.14"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "5.15",
|
|
"versionEndExcluding": "7.0"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/dd0d2827b3643ff307c766865f8e31eab5cbd1f5"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/34b8390ac0ba57004b90ea568ac06f50bf896a80"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/f87aa5d1a7f56727a768757613a303b4245444a1"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/4198aab6f000b4febb18ea820fea20634dd789c7"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/3719c234fa94c37c955b1ecd3742ef280ec135e6"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/4e65a8b8daa18d63255ec58964dd192c7fdd9f8b"
|
|
}
|
|
],
|
|
"title": "ipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data()",
|
|
"x_generator": {
|
|
"engine": "bippy-1.2.0"
|
|
}
|
|
}
|
|
}
|
|
} |