UnratedFix available
net: 3com: 3c59x: fix possible null dereference in vortex_probe1()
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: net: 3com: 3c59x: fix possible null dereference in vortex_probe1() pdev can be null and free_ring: can be called in 1297 with a null pdev.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.248, 5.15.198, 6.1.161, 6.12.66, 6.18.6, 6.6.121
- CVEs
- CVE-2026-23020
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 5 Nov 2026, 10:29 UTC · Revision 1
Source evidence
net: 3com: 3c59x: fix possible null dereference in vortex_probe1()
core-osv · Original sourcePublished 31 Jan 2026, 11:39 UTC
In the Linux kernel, the following vulnerability has been resolved: net: 3com: 3c59x: fix possible null dereference in vortex_probe1() pdev can be null and free_ring: can be called in 1297 with a null pdev.
osv:CVE-2026-23020
Kernel
Fixed versions: 5.10.248, 5.15.198, 6.1.161, 6.6.121, 6.12.66, 6.18.6
Complete source record
{
"id": "f9a8a33cdf05cefacd27c72c4d17bce7dc131e1b68b02b64ee2c26ac21c1270f",
"url": "https://osv.dev/vulnerability/CVE-2026-23020",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "net: 3com: 3c59x: fix possible null dereference in vortex_probe1()",
"summary": "In the Linux kernel, the following vulnerability has been resolved: net: 3com: 3c59x: fix possible null dereference in vortex_probe1() pdev can be null and free_ring: can be called in 1297 with a null pdev.",
"evidence": "osv:CVE-2026-23020",
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"evidence": "/affected/1/ranges"
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{
"value": "5.15.198",
"evidence": "/affected/1/ranges"
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{
"value": "6.1.161",
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{
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{
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{
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"affected_versions": []
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"severity": "unknown",
"structured": {
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"aliases": [
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"affected": [
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"versions": [
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{
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{
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"events": [
{
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},
{
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"events": [
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{
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"events": [
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],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
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"database_specific": {
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],
"modified": "2026-10-28T02:30:43.972033250Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/053ac9e37eee435e999277c0f1ef890dad6064bf",
"https://git.kernel.org/stable/c/28b2a805609699be7b90020ae7dccfb234be1ceb",
"https://git.kernel.org/stable/c/2f05f7737e16d9a40038cc1c38a96a3f7964898b",
"https://git.kernel.org/stable/c/606872c8e8bf96066730f6a2317502c5633c37f1",
"https://git.kernel.org/stable/c/6cff14b831dbdb32675b4c7904dcc3eeeaf47e9d",
"https://git.kernel.org/stable/c/a4e305ed60f7c41bbf9aabc16dd75267194e0de3",
"https://git.kernel.org/stable/c/d82796a57cc0dac1dbef19d913c8f02a8cc7b1a7",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23020.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-23020",
"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/2026/23xxx/CVE-2026-23020.json"
}
},
"related_cves": [
{
"value": "CVE-2026-23020",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 511624,
"published_at": "2026-01-31T11:39:04.023+00:00"
}