CVE-2023-3567 (GCVE-0-2023-3567)

Vulnerability from cvelistv5 – Published: 2023-07-24 15:19 – Updated: 2025-11-06 19:46
VLAI?
Title
Kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race
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.
CWE
Assigner
References
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:4.18.0-553.rt7.342.el8_10 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::realtime
    cpe:/a:redhat:enterprise_linux:8::nfv
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:4.18.0-553.el8_10 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::crb
    cpe:/o:redhat:enterprise_linux:8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Unaffected: 0:4.18.0-372.87.1.el8_6 , < * (rpm)
    cpe:/o:redhat:rhev_hypervisor:4.4::el8
    cpe:/a:redhat:rhel_eus:8.6::crb
    cpe:/o:redhat:rhel_eus:8.6::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support Unaffected: 0:4.18.0-477.43.1.el8_8 , < * (rpm)
    cpe:/o:redhat:rhel_eus:8.8::baseos
    cpe:/a:redhat:rhel_eus:8.8::crb
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:5.14.0-427.13.1.el9_4 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::nfv
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/a:redhat:enterprise_linux:9::realtime
    cpe:/o:redhat:enterprise_linux:9::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:5.14.0-427.13.1.el9_4 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::nfv
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/a:redhat:enterprise_linux:9::realtime
    cpe:/o:redhat:enterprise_linux:9::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support Unaffected: 0:5.14.0-70.85.1.el9_0 , < * (rpm)
    cpe:/o:redhat:rhel_eus:9.0::baseos
    cpe:/a:redhat:rhel_eus:9.0::crb
    cpe:/a:redhat:rhel_eus:9.0::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support Unaffected: 0:5.14.0-70.85.1.rt21.156.el9_0 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.0::realtime
    cpe:/a:redhat:rhel_eus:9.0::nfv
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Unaffected: 0:5.14.0-284.48.1.el9_2 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.2::appstream
    cpe:/a:redhat:rhel_eus:9.2::crb
    cpe:/o:redhat:rhel_eus:9.2::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Unaffected: 0:5.14.0-284.48.1.rt14.333.el9_2 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.2::nfv
    cpe:/a:redhat:rhel_eus:9.2::realtime
Create a notification for this product.
    Red Hat Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 Unaffected: 0:4.18.0-372.87.1.el8_6 , < * (rpm)
    cpe:/o:redhat:rhev_hypervisor:4.4::el8
    cpe:/a:redhat:rhel_eus:8.6::crb
    cpe:/o:redhat:rhel_eus:8.6::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T07:01:56.105Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html"
          },
          {
            "name": "RHSA-2024:0412",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2024:0412"
          },
          {
            "name": "RHSA-2024:0431",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2024:0431"
          },
          {
            "name": "RHSA-2024:0432",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2024:0432"
          },
          {
            "name": "RHSA-2024:0439",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2024:0439"
          },
          {
            "name": "RHSA-2024:0448",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2024:0448"
          },
          {
            "name": "RHSA-2024:0575",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2024:0575"
          },
          {
            "name": "RHSA-2024:2394",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2024:2394"
          },
          {
            "name": "RHSA-2024:2950",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2024:2950"
          },
          {
            "name": "RHSA-2024:3138",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2024:3138"
          },
          {
            "tags": [
              "vdb-entry",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/security/cve/CVE-2023-3567"
          },
          {
            "name": "RHBZ#2221463",
            "tags": [
              "issue-tracking",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2221463"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.spinics.net/lists/stable-commits/msg285184.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:8::realtime",
            "cpe:/a:redhat:enterprise_linux:8::nfv"
          ],
          "defaultStatus": "affected",
          "packageName": "kernel-rt",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:4.18.0-553.rt7.342.el8_10",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:8::crb",
            "cpe:/o:redhat:enterprise_linux:8::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "kernel",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:4.18.0-553.el8_10",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:rhev_hypervisor:4.4::el8",
            "cpe:/a:redhat:rhel_eus:8.6::crb",
            "cpe:/o:redhat:rhel_eus:8.6::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "kernel",
          "product": "Red Hat Enterprise Linux 8.6 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:4.18.0-372.87.1.el8_6",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:rhel_eus:8.8::baseos",
            "cpe:/a:redhat:rhel_eus:8.8::crb"
          ],
          "defaultStatus": "affected",
          "packageName": "kernel",
          "product": "Red Hat Enterprise Linux 8.8 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:4.18.0-477.43.1.el8_8",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:9::crb",
            "cpe:/a:redhat:enterprise_linux:9::nfv",
            "cpe:/a:redhat:enterprise_linux:9::appstream",
            "cpe:/a:redhat:enterprise_linux:9::realtime",
            "cpe:/o:redhat:enterprise_linux:9::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "kernel",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:5.14.0-427.13.1.el9_4",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:9::crb",
            "cpe:/a:redhat:enterprise_linux:9::nfv",
            "cpe:/a:redhat:enterprise_linux:9::appstream",
            "cpe:/a:redhat:enterprise_linux:9::realtime",
            "cpe:/o:redhat:enterprise_linux:9::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "kernel",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:5.14.0-427.13.1.el9_4",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:rhel_eus:9.0::baseos",
            "cpe:/a:redhat:rhel_eus:9.0::crb",
            "cpe:/a:redhat:rhel_eus:9.0::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "kernel",
          "product": "Red Hat Enterprise Linux 9.0 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:5.14.0-70.85.1.el9_0",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_eus:9.0::realtime",
            "cpe:/a:redhat:rhel_eus:9.0::nfv"
          ],
          "defaultStatus": "affected",
          "packageName": "kernel-rt",
          "product": "Red Hat Enterprise Linux 9.0 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:5.14.0-70.85.1.rt21.156.el9_0",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_eus:9.2::appstream",
            "cpe:/a:redhat:rhel_eus:9.2::crb",
            "cpe:/o:redhat:rhel_eus:9.2::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "kernel",
          "product": "Red Hat Enterprise Linux 9.2 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:5.14.0-284.48.1.el9_2",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_eus:9.2::nfv",
            "cpe:/a:redhat:rhel_eus:9.2::realtime"
          ],
          "defaultStatus": "affected",
          "packageName": "kernel-rt",
          "product": "Red Hat Enterprise Linux 9.2 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:5.14.0-284.48.1.rt14.333.el9_2",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:rhev_hypervisor:4.4::el8",
            "cpe:/a:redhat:rhel_eus:8.6::crb",
            "cpe:/o:redhat:rhel_eus:8.6::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "kernel",
          "product": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:4.18.0-372.87.1.el8_6",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:6"
          ],
          "defaultStatus": "unaffected",
          "packageName": "kernel",
          "product": "Red Hat Enterprise Linux 6",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:7"
          ],
          "defaultStatus": "unknown",
          "packageName": "kernel",
          "product": "Red Hat Enterprise Linux 7",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:7"
          ],
          "defaultStatus": "unknown",
          "packageName": "kernel-rt",
          "product": "Red Hat Enterprise Linux 7",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:9"
          ],
          "defaultStatus": "affected",
          "packageName": "kernel-rt",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat"
        }
      ],
      "datePublic": "2023-01-14T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "namespace": "https://access.redhat.com/security/updates/classification/",
              "value": "Moderate"
            },
            "type": "Red Hat severity rating"
          }
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "Use After Free",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-06T19:46:34.822Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "RHSA-2024:0412",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:0412"
        },
        {
          "name": "RHSA-2024:0431",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:0431"
        },
        {
          "name": "RHSA-2024:0432",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:0432"
        },
        {
          "name": "RHSA-2024:0439",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:0439"
        },
        {
          "name": "RHSA-2024:0448",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:0448"
        },
        {
          "name": "RHSA-2024:0575",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:0575"
        },
        {
          "name": "RHSA-2024:2394",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:2394"
        },
        {
          "name": "RHSA-2024:2950",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:2950"
        },
        {
          "name": "RHSA-2024:3138",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:3138"
        },
        {
          "tags": [
            "vdb-entry",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/security/cve/CVE-2023-3567"
        },
        {
          "name": "RHBZ#2221463",
          "tags": [
            "issue-tracking",
            "x_refsource_REDHAT"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2221463"
        },
        {
          "url": "https://www.spinics.net/lists/stable-commits/msg285184.html"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2023-04-13T00:00:00+00:00",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2023-01-14T00:00:00+00:00",
          "value": "Made public."
        }
      ],
      "title": "Kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race",
      "workarounds": [
        {
          "lang": "en",
          "value": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."
        }
      ],
      "x_redhatCweChain": "CWE-416: Use After Free"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2023-3567",
    "datePublished": "2023-07-24T15:19:19.795Z",
    "dateReserved": "2023-07-09T09:05:56.937Z",
    "dateUpdated": "2025-11-06T19:46:34.822Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.


Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…