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High

Security advisory

Type: advisorySources: OSVCVE: CVE-2023-2006

A race condition was found in the Linux kernel's RxRPC network protocol, within the processing of RxRPC bundles. This issue results from the lack of proper locking when performing operations on an object. This may allow an attacker to escalate privileges and execute arbitrary code in the context of the kernel.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-2006
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 13:10 UTC · Revision 1

Source evidence

CVE-2023-2006

core-osv · Original source

Published 24 Apr 2023, 00:00 UTC

A race condition was found in the Linux kernel's RxRPC network protocol, within the processing of RxRPC bundles. This issue results from the lack of proper locking when performing operations on an object. This may allow an attacker to escalate privileges and execute arbitrary code in the context of the kernel.

osv:CVE-2023-2006
Complete source record
{
  "id": "a7ecdf1365ccbfffeced0f8366a56b8b330eac63002d90cd2d9dd5f8e935c0d2",
  "url": "https://osv.dev/vulnerability/CVE-2023-2006",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-2006",
    "summary": "A race condition was found in the Linux kernel's RxRPC network protocol, within the processing of RxRPC bundles. This issue results from the lack of proper locking when performing operations on an object. This may allow an attacker to escalate privileges and execute arbitrary code in the context of the kernel.",
    "evidence": "osv:CVE-2023-2006",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-2006",
      "aliases": [
        "CVE-2023-2006"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/torvalds/linux",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b7b275e60bcd5f89771e865a8239325f86d9927d"
                },
                {
                  "fixed": "3bcd6c7eaa53"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "Fixed in kernel v6.1-rc7"
                      },
                      {
                        "last_affected": "Fixed in kernel v6.1-rc7"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "fixed": "3bcd6c7eaa53"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "Fixed in kernel v6.1-rc7"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-2006.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:28.803110325Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2006.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-2006",
        "https://security.netapp.com/advisory/ntap-20230609-0004/",
        "https://www.zerodayinitiative.com/advisories/ZDI-23-439/",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2189112",
        "https://github.com/torvalds/linux/commit/3bcd6c7eaa53"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-362"
        ],
        "cna_assigner": "redhat",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2006.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-2006",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 495652,
  "published_at": "2023-04-24T00:00:00+00:00"
}