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vuln-cve/data/2025/71xxx/CVE-2025-71098.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-71098",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-01-13T15:30:19.650Z",
"datePublished": "2026-01-13T15:34:57.536Z",
"dateUpdated": "2026-11-10T12:39:01.454Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T21:54:42.469Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nip6_gre: make ip6gre_header() robust\n\nOver the years, syzbot found many ways to crash the kernel\nin ip6gre_header() [1].\n\nThis involves team or bonding drivers ability to dynamically\nchange their dev->needed_headroom and/or dev->hard_header_len\n\nIn this particular crash mld_newpack() allocated an skb\nwith a too small reserve/headroom, and by the time mld_sendpack()\nwas called, syzbot managed to attach an ip6gre device.\n\n[1]\nskbuff: skb_under_panic: text:ffffffff8a1d69a8 len:136 put:40 head:ffff888059bc7000 data:ffff888059bc6fe8 tail:0x70 end:0x6c0 dev:team0\n------------[ cut here ]------------\n kernel BUG at net/core/skbuff.c:213 !\n <TASK>\n skb_under_panic net/core/skbuff.c:223 [inline]\n skb_push+0xc3/0xe0 net/core/skbuff.c:2641\n ip6gre_header+0xc8/0x790 net/ipv6/ip6_gre.c:1371\n dev_hard_header include/linux/netdevice.h:3436 [inline]\n neigh_connected_output+0x286/0x460 net/core/neighbour.c:1618\n neigh_output include/net/neighbour.h:556 [inline]\n ip6_finish_output2+0xfb3/0x1480 net/ipv6/ip6_output.c:136\n __ip6_finish_output net/ipv6/ip6_output.c:-1 [inline]\n ip6_finish_output+0x234/0x7d0 net/ipv6/ip6_output.c:220\n NF_HOOK_COND include/linux/netfilter.h:307 [inline]\n ip6_output+0x340/0x550 net/ipv6/ip6_output.c:247\n NF_HOOK+0x9e/0x380 include/linux/netfilter.h:318\n mld_sendpack+0x8d4/0xe60 net/ipv6/mcast.c:1855\n mld_send_cr net/ipv6/mcast.c:2154 [inline]\n mld_ifc_work+0x83e/0xd60 net/ipv6/mcast.c:2693"
}
],
"affected": [
{
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"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/ipv6/ip6_gre.c"
],
"versions": [
{
"version": "c12b395a46646bab69089ce7016ac78177f6001f",
"lessThan": "17e7386234f740f3e7d5e58a47b5847ea34c3bc2",
"status": "affected",
"versionType": "git"
},
{
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},
{
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"lessThan": "adee129db814474f2f81207bd182bf343832a52e",
"status": "affected",
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{
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{
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"status": "affected",
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},
{
"version": "c12b395a46646bab69089ce7016ac78177f6001f",
"lessThan": "91a2b25be07ce1a7549ceebbe82017551d2eec92",
"status": "affected",
"versionType": "git"
},
{
"version": "c12b395a46646bab69089ce7016ac78177f6001f",
"lessThan": "db5b4e39c4e63700c68a7e65fc4e1f1375273476",
"status": "affected",
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}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
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],
"versions": [
{
"version": "3.7",
"status": "affected"
},
{
"version": "0",
"lessThan": "3.7",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.248",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.198",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.160",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.120",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.64",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.4",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19",
"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": "3.7",
"versionEndExcluding": "5.10.248"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "5.15.198"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.7",
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},
{
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},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.7",
"versionEndExcluding": "6.18.4"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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],
"references": [
{
"url": "https://git.kernel.org/stable/c/17e7386234f740f3e7d5e58a47b5847ea34c3bc2"
},
{
"url": "https://git.kernel.org/stable/c/41a1a3140aff295dee8063906f70a514548105e8"
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{
"url": "https://git.kernel.org/stable/c/adee129db814474f2f81207bd182bf343832a52e"
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{
"url": "https://git.kernel.org/stable/c/1717357007db150c2d703f13f5695460e960f26c"
},
{
"url": "https://git.kernel.org/stable/c/5fe210533e3459197eabfdbf97327dacbdc04d60"
},
{
"url": "https://git.kernel.org/stable/c/91a2b25be07ce1a7549ceebbe82017551d2eec92"
},
{
"url": "https://git.kernel.org/stable/c/db5b4e39c4e63700c68a7e65fc4e1f1375273476"
}
],
"title": "ip6_gre: make ip6gre_header() robust",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2025-71098",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-06-10T20:41:13.938305Z"
}
}
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"type": "CWE",
"cweId": "CWE-119",
"description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer"
}
]
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-10-19T18:15:12.910Z"
}
},
{
"x_adpType": "supplier",
"providerMetadata": {
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"dateUpdated": "2026-11-10T12:39:01.454Z"
},
"affected": [
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"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)",
"versions": [
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"status": "affected",
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},
{
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]
}
}
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