CVE-2023-3212 (GCVE-0-2023-3212)

Vulnerability from cvelistv5 – Published: 2023-06-23 00:00 – Updated: 2026-10-14 20:46
VLAI
Summary
A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel. It occurs on corrupt gfs2 file systems when the evict code tries to reference the journal descriptor structure after it has been freed and set to NULL. A privileged local user could use this flaw to cause a kernel panic.
Severity
4.4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1043 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
n/a Linux kernel (gfs2 file system) Affected: Fixed in kernel 6.4-rc2
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.0 , < V3.1.5 (custom)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Affected: V3.1.0 , < V3.1.5 (custom)
guessed Create a notification for this product.
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.0 , < V3.1.5 (custom)
guessed Create a notification for this product.
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            "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
            "url": "https://cert-portal.siemens.com/productcert/html/ssa-806742.html"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-476"
              }
            ],
            "source": "secalert@redhat.com",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-476"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-28T06:45:28+00:00",
      "cve": "CVE-2023-3212",
      "id": "CVE-2023-3212",
      "initial_release_date": "2023-04-28T00:00:00+00:00",
      "product_status:fixed": "417",
      "product_status:known_affected": "50",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: gfs2: NULL pointer dereference in gfs2_evict_inode()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-3212.json",
      "version": "3"
    }
  }
}



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Sightings

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Nomenclature

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