Vulnerability-Lookup

FKIE_CVE-2026-23021

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: usb: pegasus: fix memory leak in update_eth_regs_async() When asynchronously writing to the device registers and if usb_submit_urb() fail, the code fail to release allocated to this point resources.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/471dfb97599eec74e0476046b3ef8e7037f27b34	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/5397ea6d21c35a17707e201a60761bdee00bcc4e	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/93f18eaa190374e0f2d253e3b1a65cee19a7abe6	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a40af9a2904a1ab8ce61866ebe2a894ef30754ba	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ac5d92d2826dec51e5d4c6854865bc5817277452	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/afa27621a28af317523e0836dad430bec551eb54	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ce6eef731aba23a988decea1df3b08cf978f7b01	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	3.10
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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    },
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    }
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  "id": "CVE-2026-23021",
  "lastModified": "2026-03-25T15:56:19.390",
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          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
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          "version": "3.1"
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        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
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      }
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  "published": "2026-01-31T12:16:05.413",
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}

CVE-2026-23021 (GCVE-0-2026-23021)

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

Title

net: usb: pegasus: fix memory leak in update_eth_regs_async()

Summary

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/5397ea6d21c35a177…
	https://git.kernel.org/stable/c/a40af9a2904a1ab8c…
	https://git.kernel.org/stable/c/ac5d92d2826dec51e…
	https://git.kernel.org/stable/c/93f18eaa190374e0f…
	https://git.kernel.org/stable/c/471dfb97599eec74e…
	https://git.kernel.org/stable/c/ce6eef731aba23a98…
	https://git.kernel.org/stable/c/afa27621a28af3175…

Impacted products

Vendor

Product

Version

Linux

Affected: 323b34963d113efb566635f43858f40cce01d5f9 , < 5397ea6d21c35a17707e201a60761bdee00bcc4e (git)
Affected: 323b34963d113efb566635f43858f40cce01d5f9 , < a40af9a2904a1ab8ce61866ebe2a894ef30754ba (git)
Affected: 323b34963d113efb566635f43858f40cce01d5f9 , < ac5d92d2826dec51e5d4c6854865bc5817277452 (git)
Affected: 323b34963d113efb566635f43858f40cce01d5f9 , < 93f18eaa190374e0f2d253e3b1a65cee19a7abe6 (git)
Affected: 323b34963d113efb566635f43858f40cce01d5f9 , < 471dfb97599eec74e0476046b3ef8e7037f27b34 (git)
Affected: 323b34963d113efb566635f43858f40cce01d5f9 , < ce6eef731aba23a988decea1df3b08cf978f7b01 (git)
Affected: 323b34963d113efb566635f43858f40cce01d5f9 , < afa27621a28af317523e0836dad430bec551eb54 (git)

Linux

Affected: 3.10
Unaffected: 0 , < 3.10 (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

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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/usb/pegasus.c"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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    "datePublished": "2026-01-31T11:39:05.152Z",
    "dateReserved": "2026-01-13T15:37:45.941Z",
    "dateUpdated": "2026-02-09T08:37:14.933Z",
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  },
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  "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-2026-23021

CVE-2026-23021 (GCVE-0-2026-23021)

Tags

Sightings

Nomenclature