FKIE_CVE-2023-3567

Vulnerability from fkie_nvd - Published: 2023-07-24 16:15 - Updated: 2026-06-17 06:14
Severity
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Summary
A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0412
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0431
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0432
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0439
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0448
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0575
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:2394
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:2950
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:3138
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2023-3567Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2221463Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://www.spinics.net/lists/stable-commits/msg285184.htmlMailing List, Patch
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0412
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0431
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0432
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0439
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0448
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0575
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:2394
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:2950
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:3138
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2023-3567Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2221463Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.spinics.net/lists/stable-commits/msg285184.htmlMailing List, Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 6.2.0
linux linux_kernel 6.2.0
linux linux_kernel 6.2.0
linux linux_kernel 6.2.0
linux linux_kernel 6.2.0
linux linux_kernel 6.2.0
redhat enterprise_linux 8.0
redhat enterprise_linux 9.0
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 20.04
canonical ubuntu_linux 22.04
To clipboard 

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  "id": "CVE-2023-3567",
  "lastModified": "2026-06-17T06:14:21.920",
  "metrics": {
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          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
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      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2221463"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://www.spinics.net/lists/stable-commits/msg285184.html"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Tags
Taxonomy of the tags.





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.