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CVE-2022-49923 (GCVE-0-2022-49923)

Vulnerability from cvelistv5 – Published: 2025-05-01 14:11 – Updated: 2026-05-11 19:09
VLAI
Title
nfc: nxp-nci: Fix potential memory leak in nxp_nci_send()
Summary
In the Linux kernel, the following vulnerability has been resolved: nfc: nxp-nci: Fix potential memory leak in nxp_nci_send() nxp_nci_send() will call nxp_nci_i2c_write(), and only free skb when nxp_nci_i2c_write() failed. However, even if the nxp_nci_i2c_write() run succeeds, the skb will not be freed in nxp_nci_i2c_write(). As the result, the skb will memleak. nxp_nci_send() should also free the skb when nxp_nci_i2c_write() succeeds.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 14:57 UTC
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: dece45855a8b0d1dcf48eb01d0822070ded6a4c8 , < 9ae2c9a91ff068f4c3e392f47e8e26a1c9f85ebb (git)
Affected: dece45855a8b0d1dcf48eb01d0822070ded6a4c8 , < 3cba1f061bfe23fece2841129ca2862cdec29d5c (git)
Affected: dece45855a8b0d1dcf48eb01d0822070ded6a4c8 , < 3ecf0f4227029b2c42e036b10ff6e5d09e20821e (git)
Affected: dece45855a8b0d1dcf48eb01d0822070ded6a4c8 , < 7bf1ed6aff0f70434bd0cdd45495e83f1dffb551 (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.1
Unaffected: 0 , < 4.1 (semver)
Unaffected: 5.10.154 , ≤ 5.10.* (semver)
Unaffected: 5.15.78 , ≤ 5.15.* (semver)
Unaffected: 6.0.8 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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                  "lessThan": "9ae2c9a91ff068f4c3e392f47e8e26a1c9f85ebb",
                  "status": "affected",
                  "version": "dece45855a8b0d1dcf48eb01d0822070ded6a4c8",
                  "versionType": "git"
                },
                {
                  "lessThan": "3cba1f061bfe23fece2841129ca2862cdec29d5c",
                  "status": "affected",
                  "version": "dece45855a8b0d1dcf48eb01d0822070ded6a4c8",
                  "versionType": "git"
                },
                {
                  "lessThan": "3ecf0f4227029b2c42e036b10ff6e5d09e20821e",
                  "status": "affected",
                  "version": "dece45855a8b0d1dcf48eb01d0822070ded6a4c8",
                  "versionType": "git"
                },
                {
                  "lessThan": "7bf1ed6aff0f70434bd0cdd45495e83f1dffb551",
                  "status": "affected",
                  "version": "dece45855a8b0d1dcf48eb01d0822070ded6a4c8",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "drivers/nfc/nxp-nci/core.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "4.1"
                },
                {
                  "lessThan": "4.1",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.10.*",
                  "status": "unaffected",
                  "version": "5.10.154",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.78",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.0.*",
                  "status": "unaffected",
                  "version": "6.0.8",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.1",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.10.154",
                      "versionStartIncluding": "4.1",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.78",
                      "versionStartIncluding": "4.1",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.0.8",
                      "versionStartIncluding": "4.1",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1",
                      "versionStartIncluding": "4.1",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: nxp-nci: Fix potential memory leak in nxp_nci_send()\n\nnxp_nci_send() will call nxp_nci_i2c_write(), and only free skb when\nnxp_nci_i2c_write() failed. However, even if the nxp_nci_i2c_write()\nrun succeeds, the skb will not be freed in nxp_nci_i2c_write(). As the\nresult, the skb will memleak. nxp_nci_send() should also free the skb\nwhen nxp_nci_i2c_write() succeeds."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-05-04T08:48:52.582Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/9ae2c9a91ff068f4c3e392f47e8e26a1c9f85ebb"
            },
            {
              "url": "https://git.kernel.org/stable/c/3cba1f061bfe23fece2841129ca2862cdec29d5c"
            },
            {
              "url": "https://git.kernel.org/stable/c/3ecf0f4227029b2c42e036b10ff6e5d09e20821e"
            },
            {
              "url": "https://git.kernel.org/stable/c/7bf1ed6aff0f70434bd0cdd45495e83f1dffb551"
            }
          ],
          "title": "nfc: nxp-nci: Fix potential memory leak in nxp_nci_send()",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2022-49923",
        "datePublished": "2025-05-01T14:11:02.652Z",
        "dateReserved": "2025-05-01T14:05:17.252Z",
        "dateUpdated": "2025-10-01T14:57:51.022Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.