CVE-2026-23020 (GCVE-0-2026-23020)
Vulnerability from cvelistv5 – Published: 2026-01-31 11:39 – Updated: 2026-01-31 11:39
VLAI?
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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
55c82617c3e82210b7471e9334e8fc5df6a9961f , < 053ac9e37eee435e999277c0f1ef890dad6064bf
(git)
Affected: 55c82617c3e82210b7471e9334e8fc5df6a9961f , < 6cff14b831dbdb32675b4c7904dcc3eeeaf47e9d (git) Affected: 55c82617c3e82210b7471e9334e8fc5df6a9961f , < 606872c8e8bf96066730f6a2317502c5633c37f1 (git) Affected: 55c82617c3e82210b7471e9334e8fc5df6a9961f , < 28b2a805609699be7b90020ae7dccfb234be1ceb (git) Affected: 55c82617c3e82210b7471e9334e8fc5df6a9961f , < 2f05f7737e16d9a40038cc1c38a96a3f7964898b (git) Affected: 55c82617c3e82210b7471e9334e8fc5df6a9961f , < d82796a57cc0dac1dbef19d913c8f02a8cc7b1a7 (git) Affected: 55c82617c3e82210b7471e9334e8fc5df6a9961f , < a4e305ed60f7c41bbf9aabc16dd75267194e0de3 (git) Affected: d30fdc02c49ad9965bba25015ae66c22dae967d1 (git) |
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{
"containers": {
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"programFiles": [
"drivers/net/ethernet/3com/3c59x.c"
],
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],
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"vendor": "Linux",
"versions": [
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"status": "affected",
"version": "4.17"
},
{
"lessThan": "4.17",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.248",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.198",
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},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.161",
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},
{
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"version": "6.6.121",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
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"version": "6.12.66",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.6",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.19-rc5",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
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"nodes": [
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"operator": "OR"
}
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: 3com: 3c59x: fix possible null dereference in vortex_probe1()\n\npdev can be null and free_ring: can be called in 1297 with a null\npdev."
}
],
"providerMetadata": {
"dateUpdated": "2026-01-31T11:39:04.023Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
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{
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{
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{
"url": "https://git.kernel.org/stable/c/a4e305ed60f7c41bbf9aabc16dd75267194e0de3"
}
],
"title": "net: 3com: 3c59x: fix possible null dereference in vortex_probe1()",
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"cveMetadata": {
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"assignerShortName": "Linux",
"cveId": "CVE-2026-23020",
"datePublished": "2026-01-31T11:39:04.023Z",
"dateReserved": "2026-01-13T15:37:45.941Z",
"dateUpdated": "2026-01-31T11:39:04.023Z",
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},
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}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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