CriticalFix available
ipvs: reload ip header after head reallocation
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: ipvs: reload ip header after head reallocation __ip_vs_get_out_rt() calls skb_ensure_writable() which may reallocate skb->head.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.269, 5.15.220, 6.1.187, 6.12.97, 6.18.40, 6.6.145, 7.1.5
- CVEs
- CVE-2026-68476
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 14:19 UTC · Revision 1
Source evidence
ipvs: reload ip header after head reallocation
core-osv · Original sourcePublished 15 Aug 2026, 05:51 UTC
In the Linux kernel, the following vulnerability has been resolved: ipvs: reload ip header after head reallocation __ip_vs_get_out_rt() calls skb_ensure_writable() which may reallocate skb->head.
osv:CVE-2026-68476
Kernel
Fixed versions: 5.10.269, 5.15.220, 6.1.187, 6.6.145, 6.12.97, 6.18.40, 7.1.5
Complete source record
{
"id": "0f8c84e92101fcdf27daa891a75b9d17d39c1ef7c0a448eaa1e7a62bedf648aa",
"url": "https://osv.dev/vulnerability/CVE-2026-68476",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ipvs: reload ip header after head reallocation",
"summary": "In the Linux kernel, the following vulnerability has been resolved: ipvs: reload ip header after head reallocation __ip_vs_get_out_rt() calls skb_ensure_writable() which may reallocate skb->head.",
"evidence": "osv:CVE-2026-68476",
"products": [
{
"name": {
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"prerequisites": [],
"fixed_versions": [
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"value": "5.10.269",
"evidence": "/affected/1/ranges"
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{
"value": "5.15.220",
"evidence": "/affected/1/ranges"
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{
"value": "6.1.187",
"evidence": "/affected/1/ranges"
},
{
"value": "6.6.145",
"evidence": "/affected/1/ranges"
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{
"value": "6.12.97",
"evidence": "/affected/1/ranges"
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{
"value": "6.18.40",
"evidence": "/affected/1/ranges"
},
{
"value": "7.1.5",
"evidence": "/affected/1/ranges"
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],
"affected_versions": []
}
],
"severity": "critical",
"structured": {
"id": "CVE-2026-68476",
"aliases": [
"CVE-2026-68476"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
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{
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{
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{
"fixed": "a2f57827bf7c695b8c72dc4511cae8e86582369d"
}
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}
],
"database_specific": {
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}
},
{
"ranges": [
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"type": "ECOSYSTEM",
"events": [
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{
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{
"type": "ECOSYSTEM",
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{
"introduced": "5.16.0"
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{
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},
{
"type": "ECOSYSTEM",
"events": [
{
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{
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]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.7.0"
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{
"fixed": "6.12.97"
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]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.13.0"
},
{
"fixed": "6.18.40"
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]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.19.0"
},
{
"fixed": "7.1.5"
}
]
}
],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-68476.json"
}
}
],
"modified": "2026-10-28T02:30:51.120476302Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/3fb7edd2018bb1ad0a68157383d9b9dac33dd645",
"https://git.kernel.org/stable/c/4f2d1151421520d7ae16ca8d367d0ca09f5dfbd7",
"https://git.kernel.org/stable/c/657118cad620172dfd8f6ed5717fd75c0d1f7a5a",
"https://git.kernel.org/stable/c/a10f5080afbed242640f2984328de25f84557da1",
"https://git.kernel.org/stable/c/a2f57827bf7c695b8c72dc4511cae8e86582369d",
"https://git.kernel.org/stable/c/ac6ac3d35bfc0ade9d17d354c84e503a946ebdab",
"https://git.kernel.org/stable/c/ad1e14710b360bda087ebf9fb82460eb5ef775de",
"https://git.kernel.org/stable/c/e51687fc56c2e39ea6e9532925f1aabd4d529f61",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68476.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-68476",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68476.json"
}
},
"related_cves": [
{
"value": "CVE-2026-68476",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 519589,
"published_at": "2026-08-15T05:51:32.17+00:00"
}