Vulnerability-Lookup

FKIE_CVE-2026-23021

Vulnerability from fkie_nvd - Published: 2026-01-31 12:16 - Updated: 2026-02-03 16:44

Severity ?

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
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/5397ea6d21c35a17707e201a60761bdee00bcc4e
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/93f18eaa190374e0f2d253e3b1a65cee19a7abe6
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a40af9a2904a1ab8ce61866ebe2a894ef30754ba
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ac5d92d2826dec51e5d4c6854865bc5817277452
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/afa27621a28af317523e0836dad430bec551eb54
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ce6eef731aba23a988decea1df3b08cf978f7b01

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: pegasus: fix memory leak in update_eth_regs_async()\n\nWhen asynchronously writing to the device registers and if usb_submit_urb()\nfail, the code fail to release allocated to this point resources."
    }
  ],
  "id": "CVE-2026-23021",
  "lastModified": "2026-02-03T16:44:36.630",
  "metrics": {},
  "published": "2026-01-31T12:16:05.413",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/471dfb97599eec74e0476046b3ef8e7037f27b34"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/5397ea6d21c35a17707e201a60761bdee00bcc4e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/93f18eaa190374e0f2d253e3b1a65cee19a7abe6"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/a40af9a2904a1ab8ce61866ebe2a894ef30754ba"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ac5d92d2826dec51e5d4c6854865bc5817277452"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/afa27621a28af317523e0836dad430bec551eb54"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ce6eef731aba23a988decea1df3b08cf978f7b01"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

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

Vulnerability from cvelistv5 – Published: 2026-01-31 11:39 – Updated: 2026-01-31 11:39

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-rc5 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/usb/pegasus.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "5397ea6d21c35a17707e201a60761bdee00bcc4e",
              "status": "affected",
              "version": "323b34963d113efb566635f43858f40cce01d5f9",
              "versionType": "git"
            },
            {
              "lessThan": "a40af9a2904a1ab8ce61866ebe2a894ef30754ba",
              "status": "affected",
              "version": "323b34963d113efb566635f43858f40cce01d5f9",
              "versionType": "git"
            },
            {
              "lessThan": "ac5d92d2826dec51e5d4c6854865bc5817277452",
              "status": "affected",
              "version": "323b34963d113efb566635f43858f40cce01d5f9",
              "versionType": "git"
            },
            {
              "lessThan": "93f18eaa190374e0f2d253e3b1a65cee19a7abe6",
              "status": "affected",
              "version": "323b34963d113efb566635f43858f40cce01d5f9",
              "versionType": "git"
            },
            {
              "lessThan": "471dfb97599eec74e0476046b3ef8e7037f27b34",
              "status": "affected",
              "version": "323b34963d113efb566635f43858f40cce01d5f9",
              "versionType": "git"
            },
            {
              "lessThan": "ce6eef731aba23a988decea1df3b08cf978f7b01",
              "status": "affected",
              "version": "323b34963d113efb566635f43858f40cce01d5f9",
              "versionType": "git"
            },
            {
              "lessThan": "afa27621a28af317523e0836dad430bec551eb54",
              "status": "affected",
              "version": "323b34963d113efb566635f43858f40cce01d5f9",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/usb/pegasus.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.10"
            },
            {
              "lessThan": "3.10",
              "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",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.161",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.121",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "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": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.248",
                  "versionStartIncluding": "3.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.198",
                  "versionStartIncluding": "3.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.161",
                  "versionStartIncluding": "3.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.121",
                  "versionStartIncluding": "3.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.66",
                  "versionStartIncluding": "3.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.6",
                  "versionStartIncluding": "3.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19-rc5",
                  "versionStartIncluding": "3.10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: pegasus: fix memory leak in update_eth_regs_async()\n\nWhen asynchronously writing to the device registers and if usb_submit_urb()\nfail, the code fail to release allocated to this point resources."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-31T11:39:05.152Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/5397ea6d21c35a17707e201a60761bdee00bcc4e"
        },
        {
          "url": "https://git.kernel.org/stable/c/a40af9a2904a1ab8ce61866ebe2a894ef30754ba"
        },
        {
          "url": "https://git.kernel.org/stable/c/ac5d92d2826dec51e5d4c6854865bc5817277452"
        },
        {
          "url": "https://git.kernel.org/stable/c/93f18eaa190374e0f2d253e3b1a65cee19a7abe6"
        },
        {
          "url": "https://git.kernel.org/stable/c/471dfb97599eec74e0476046b3ef8e7037f27b34"
        },
        {
          "url": "https://git.kernel.org/stable/c/ce6eef731aba23a988decea1df3b08cf978f7b01"
        },
        {
          "url": "https://git.kernel.org/stable/c/afa27621a28af317523e0836dad430bec551eb54"
        }
      ],
      "title": "net: usb: pegasus: fix memory leak in update_eth_regs_async()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23021",
    "datePublished": "2026-01-31T11:39:05.152Z",
    "dateReserved": "2026-01-13T15:37:45.941Z",
    "dateUpdated": "2026-01-31T11:39:05.152Z",
    "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-2026-23021

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

Tags

Sightings

Nomenclature