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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2023-0394

A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network subcomponent in the Linux kernel. This flaw causes the system to crash.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-0394
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 01:27 UTC · Revision 1

Source evidence

CVE-2023-0394

core-osv · Original source

Published 24 Jan 2023, 00:00 UTC

A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network subcomponent in the Linux kernel. This flaw causes the system to crash.

osv:CVE-2023-0394
Complete source record
{
  "id": "93112bd2c5fde4536df184c4d076dca169b14ede193726fe5658b8d5cb460568",
  "url": "https://osv.dev/vulnerability/CVE-2023-0394",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-0394",
    "summary": "A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network subcomponent in the Linux kernel. This flaw causes the system to crash.",
    "evidence": "osv:CVE-2023-0394",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-0394",
      "aliases": [
        "CVE-2023-0394"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "5dc4c995db9eb45f6373a956eb1f69460e69e6d4"
                },
                {
                  "fixed": "cb3e9864cdbe35ff6378966660edbcbac955fe17"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "Linux kernel prior to Kernel 6.2 RC4"
                      },
                      {
                        "last_affected": "Linux kernel prior to Kernel 6.2 RC4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "fixed": "cb3e9864cdbe35ff6378966660edbcbac955fe17"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "Linux kernel prior to Kernel 6.2 RC4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-0394.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.436871284Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cb3e9864cdbe35ff6378966660edbcbac955fe17",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0394.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-0394",
        "https://security.netapp.com/advisory/ntap-20230302-0005/",
        "https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html",
        "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-476"
        ],
        "cna_assigner": "redhat",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0394.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-0394",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 499442,
  "published_at": "2023-01-24T00:00:00+00:00"
}