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frr — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2022-37035

An issue was discovered in bgpd in FRRouting (FRR) 8.3. In bgp_notify_send_with_data() and bgp_process_packet() in bgp_packet.c, there is a possible use-after-free due to a race condition. This could lead to Remote Code Execution or Information Disclosure by sending crafted BGP packets. User interaction is not needed for exploitation.

Products
frr
Affected versions
Not specified
Fixed versions
8.4.1-1
CVEs
CVE-2022-37035
Confirmed fixed CVEs
Not specified
Updated in this feed
30 Oct 2026, 15:21 UTC · Revision 1

Source evidence

DEBIAN-CVE-2022-37035

core-osv · Original source

Published 2 Aug 2022, 23:15 UTC

An issue was discovered in bgpd in FRRouting (FRR) 8.3. In bgp_notify_send_with_data() and bgp_process_packet() in bgp_packet.c, there is a possible use-after-free due to a race condition. This could lead to Remote Code Execution or Information Disclosure by sending crafted BGP packets. User interaction is not needed for exploitation.

osv:DEBIAN-CVE-2022-37035

frr

Fixed versions: 8.4.1-1

frr

Fixed versions: 8.4.1-1

frr

Fixed versions: 8.4.1-1

Complete source record
{
  "id": "d2ca524511823930ccd31710e35f5e181c48b25fe135d863d75cef931ba53be7",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-37035",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2022-37035",
    "summary": "An issue was discovered in bgpd in FRRouting (FRR) 8.3. In bgp_notify_send_with_data() and bgp_process_packet() in bgp_packet.c, there is a possible use-after-free due to a race condition. This could lead to Remote Code Execution or Information Disclosure by sending crafted BGP packets. User interaction is not needed for exploitation.",
    "evidence": "osv:DEBIAN-CVE-2022-37035",
    "products": [
      {
        "name": {
          "value": "frr",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8.4.1-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "frr",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8.4.1-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "frr",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8.4.1-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "DEBIAN-CVE-2022-37035",
      "aliases": [
        "DEBIAN-CVE-2022-37035"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8.4.1-1"
                }
              ]
            }
          ],
          "package": {
            "name": "frr",
            "purl": "pkg:deb/debian/frr?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-37035.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8.4.1-1"
                }
              ]
            }
          ],
          "package": {
            "name": "frr",
            "purl": "pkg:deb/debian/frr?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-37035.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8.4.1-1"
                }
              ]
            }
          ],
          "package": {
            "name": "frr",
            "purl": "pkg:deb/debian/frr?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-37035.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-15T08:02:53.661136234Z",
      "provider": "osv",
      "upstream": [
        "CVE-2022-37035"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2022-37035"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2022-37035",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 324514,
  "published_at": "2022-08-02T23:15:18.23+00:00"
}