Vulnerability-Lookup

FKIE_CVE-2026-23020

Vulnerability from fkie_nvd - Published: 2026-01-31 12:16 - Updated: 2026-03-25 15:56

Severity ?

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/053ac9e37eee435e999277c0f1ef890dad6064bf	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/28b2a805609699be7b90020ae7dccfb234be1ceb	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2f05f7737e16d9a40038cc1c38a96a3f7964898b	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/606872c8e8bf96066730f6a2317502c5633c37f1	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6cff14b831dbdb32675b4c7904dcc3eeeaf47e9d	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a4e305ed60f7c41bbf9aabc16dd75267194e0de3	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d82796a57cc0dac1dbef19d913c8f02a8cc7b1a7	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	4.17
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19

JSON

To clipboard

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      "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."
    },
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      "lang": "es",
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    }
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  "id": "CVE-2026-23020",
  "lastModified": "2026-03-25T15:56:02.047",
  "metrics": {
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  "published": "2026-01-31T12:16:05.310",
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "value": "CWE-476"
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      "source": "nvd@nist.gov",
      "type": "Primary"
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}

CVE-2026-23020 (GCVE-0-2026-23020)

Vulnerability from cvelistv5 – Published: 2026-01-31 11:39 – Updated: 2026-02-09 08:37

Title

net: 3com: 3c59x: fix possible null dereference in vortex_probe1()

Summary

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/053ac9e37eee435e9…
	https://git.kernel.org/stable/c/6cff14b831dbdb326…
	https://git.kernel.org/stable/c/606872c8e8bf96066…
	https://git.kernel.org/stable/c/28b2a805609699be7…
	https://git.kernel.org/stable/c/2f05f7737e16d9a40…
	https://git.kernel.org/stable/c/d82796a57cc0dac1d…
	https://git.kernel.org/stable/c/a4e305ed60f7c41bb…

Impacted products

Vendor

Product

Version

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)

Linux

Affected: 4.17
Unaffected: 0 , < 4.17 (semver)
Unaffected: 5.10.248 , ≤ 5.10.* (semver)
Unaffected: 5.15.198 , ≤ 5.15.* (semver)
Unaffected: 6.1.161 , ≤ 6.1.* (semver)
Unaffected: 6.6.121 , ≤ 6.6.* (semver)
Unaffected: 6.12.66 , ≤ 6.12.* (semver)
Unaffected: 6.18.6 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/3com/3c59x.c"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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              "versionType": "semver"
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-09T08:37:13.897Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        },
        {
          "url": "https://git.kernel.org/stable/c/a4e305ed60f7c41bbf9aabc16dd75267194e0de3"
        }
      ],
      "title": "net: 3com: 3c59x: fix possible null dereference in vortex_probe1()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "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": "2026-02-09T08:37:13.897Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2026-23020

CVE-2026-23020 (GCVE-0-2026-23020)

Tags

Sightings

Nomenclature