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FKIE_CVE-2023-3863

Vulnerability from fkie_nvd - Published: 2023-07-24 15:15 - Updated: 2026-06-17 06:15
Severity
6.4 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
4.1 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
Summary
A use-after-free flaw was found in nfc_llcp_find_local in net/nfc/llcp_core.c in NFC in the Linux kernel. This flaw allows a local user with special privileges to impact a kernel information leak issue.
References
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2023-3863Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2225126Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://github.com/torvalds/linux/commit/6709d4b7bc2e079241fdef15d1160581c5261c10Patch
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://security.netapp.com/advisory/ntap-20240202-0002/
secalert@redhat.comhttps://www.debian.org/security/2023/dsa-5480Third Party Advisory
secalert@redhat.comhttps://www.debian.org/security/2023/dsa-5492Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2023-3863Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2225126Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/6709d4b7bc2e079241fdef15d1160581c5261c10Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20240202-0002/
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2023/dsa-5480Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2023/dsa-5492Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
debian debian_linux 10.0
debian debian_linux 11.0
debian debian_linux 12.0
To clipboard 

{
  "affected": [
    {
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          "vendor": "n/a",
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          "packageName": "kernel",
          "product": "Fedora",
          "vendor": "Fedora"
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
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              "versionEndExcluding": "6.5",
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  "cveTags": [],
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    }
  ],
  "id": "CVE-2023-3863",
  "lastModified": "2026-06-17T06:15:01.253",
  "metrics": {
    "cvssMetricV31": [
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          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
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        "source": "nvd@nist.gov",
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  },
  "published": "2023-07-24T15:15:09.397",
  "references": [
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      "tags": [
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  "vulnStatus": "Modified",
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      "source": "nvd@nist.gov",
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    }
  ]
}



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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

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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