UnratedFix available
net: lapbether: handle NETDEV_PRE_TYPE_CHANGE
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: net: lapbether: handle NETDEV_PRE_TYPE_CHANGE lapbeth_data_transmit() expects the underlying device type to be ARPHRD_ETHER. Returning NOTIFY_BAD from lapbeth_device_event() makes sure bonding driver can not break this expectation.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.258, 5.15.209, 6.1.175, 6.12.83, 6.18.24, 6.19.14, 6.6.136
- CVEs
- CVE-2026-43103
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 8 Nov 2026, 00:50 UTC · Revision 1
Source evidence
net: lapbether: handle NETDEV_PRE_TYPE_CHANGE
core-osv · Original sourcePublished 6 May 2026, 07:40 UTC
In the Linux kernel, the following vulnerability has been resolved: net: lapbether: handle NETDEV_PRE_TYPE_CHANGE lapbeth_data_transmit() expects the underlying device type to be ARPHRD_ETHER. Returning NOTIFY_BAD from lapbeth_device_event() makes sure bonding driver can not break this expectation.
osv:CVE-2026-43103
Kernel
Fixed versions: 5.10.258, 5.15.209, 6.1.175, 6.6.136, 6.12.83, 6.18.24, 6.19.14
Complete source record
{
"id": "3960f7a5267554b14e0ce1f1bb12a68d1c23cbd4b74759fa65b825db804488c8",
"url": "https://osv.dev/vulnerability/CVE-2026-43103",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "net: lapbether: handle NETDEV_PRE_TYPE_CHANGE",
"summary": "In the Linux kernel, the following vulnerability has been resolved: net: lapbether: handle NETDEV_PRE_TYPE_CHANGE lapbeth_data_transmit() expects the underlying device type to be ARPHRD_ETHER. Returning NOTIFY_BAD from lapbeth_device_event() makes sure bonding driver can not break this expectation.",
"evidence": "osv:CVE-2026-43103",
"products": [
{
"name": {
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"evidence": "/affected/1/package/name"
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"evidence": "/affected/1/ranges"
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{
"value": "5.15.209",
"evidence": "/affected/1/ranges"
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{
"value": "6.1.175",
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{
"value": "6.6.136",
"evidence": "/affected/1/ranges"
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{
"value": "6.12.83",
"evidence": "/affected/1/ranges"
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{
"value": "6.18.24",
"evidence": "/affected/1/ranges"
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{
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"affected_versions": []
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"severity": "unknown",
"structured": {
"id": "CVE-2026-43103",
"aliases": [
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"affected": [
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{
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"events": [
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{
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{
"type": "ECOSYSTEM",
"events": [
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{
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],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
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"database_specific": {
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],
"modified": "2026-10-28T02:30:52.641230856Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/328bb2cff5c2ed973f595ded769e15f4b7a117be",
"https://git.kernel.org/stable/c/363a38044b8cd5b496d241651a1fb666e7c5fe3e",
"https://git.kernel.org/stable/c/63851f60781aa89258c8f0952cd13940aab0888e",
"https://git.kernel.org/stable/c/698642a01d53107ce9b3fc08bd801284af478a2b",
"https://git.kernel.org/stable/c/a10570973619cba9dfa6d723177251b846fae587",
"https://git.kernel.org/stable/c/b117056768ab7deb434e7d72065e48d2083a0c2a",
"https://git.kernel.org/stable/c/b120e4432f9f56c7103133d6a11245e617695adb",
"https://git.kernel.org/stable/c/ffc5ed59f6dc87c51e8775f002619310225742e8",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43103.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-43103",
"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/2026/43xxx/CVE-2026-43103.json"
}
},
"related_cves": [
{
"value": "CVE-2026-43103",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 521103,
"published_at": "2026-05-06T07:40:32.357+00:00"
}