HighFix available
ipv6: guard against possible NULL deref in __in6_dev_stats_get()
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: ipv6: guard against possible NULL deref in __in6_dev_stats_get() dev_get_by_index_rcu() could return NULL if the original physical device is unregistered. Found by Sashiko.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.261, 5.15.212, 6.1.178, 6.12.97, 6.18.40, 6.6.145, 7.1.5
- CVEs
- CVE-2026-80646
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 06:29 UTC · Revision 1
Source evidence
ipv6: guard against possible NULL deref in __in6_dev_stats_get()
core-osv · Original sourcePublished 28 Aug 2026, 06:48 UTC
In the Linux kernel, the following vulnerability has been resolved: ipv6: guard against possible NULL deref in __in6_dev_stats_get() dev_get_by_index_rcu() could return NULL if the original physical device is unregistered. Found by Sashiko.
osv:CVE-2026-80646
Kernel
Fixed versions: 5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.97, 6.18.40, 7.1.5
Complete source record
{
"id": "80df2e62bfaca8d40529f80ebaf219e723a38575f8422745e06f98df00ec99d6",
"url": "https://osv.dev/vulnerability/CVE-2026-80646",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ipv6: guard against possible NULL deref in __in6_dev_stats_get()",
"summary": "In the Linux kernel, the following vulnerability has been resolved: ipv6: guard against possible NULL deref in __in6_dev_stats_get() dev_get_by_index_rcu() could return NULL if the original physical device is unregistered. Found by Sashiko.",
"evidence": "osv:CVE-2026-80646",
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"severity": "high",
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"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80646.json"
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{
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"package": {
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"modified": "2026-10-28T02:30:26.393221928Z",
"provider": "osv",
"references": [
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"https://git.kernel.org/stable/c/e14db43677946bf2095febd294bb3c13ab375ab7",
"https://git.kernel.org/stable/c/fc920c0659cdea5afd8721c1155a51564859e075",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80646.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-80646",
"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/2026/80xxx/CVE-2026-80646.json"
}
},
"related_cves": [
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"value": "CVE-2026-80646",
"evidence": "/id"
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 493057,
"published_at": "2026-08-28T06:48:56.277+00:00"
}