bonding: fix xfrm real_dev null pointer dereference

{
  "id": "bf7e9c9fccdb2e1c40af7aa9ce0c4c1b681a9ba93e8ea7fed8845576e9897175",
  "url": "https://osv.dev/vulnerability/CVE-2024-44989",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "bonding: fix xfrm real_dev null pointer dereference",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: bonding: fix xfrm real_dev null pointer dereference We shouldn't set real_dev to NULL because packets can be in transit and xfrm might call xdo_dev_offload_ok() in parallel. All callbacks assume real_dev is set. Example trace: kernel: BUG: unable to handle page fault for address: 0000000000001030 kernel: bond0: (slave eni0np1): making interface the new active one kernel: #PF: supervisor write access in kernel mode kernel: #PF: error_code(0x0002) - not-present page kernel: PGD 0 P4D 0 kernel: Oops: 0002 [#1] PREEMPT SMP kernel: CPU: 4 PID: 2237 Comm: ping Not tainted 6.7.7+ #12 kernel: Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-2.fc40 04/01/2014 kernel: RIP: 0010:nsim_ipsec_offload_ok+0xc/0x20 [netdevsim] kernel: bond0: (slave eni0np1): bond_ipsec_add_sa_all: failed to add SA kernel: Code: e0 0f 0b 48 83 7f 38 00 74 de 0f 0b 48 8b 47 08 48 8b 37 48 8b 78 40 e9 b2 e5 9a d7 66 90 0f 1f 44 00 00 48 8b 86 80 02 00 00 <83> 80 30 10 00 00 01 b8 01 00 00 00 c3 0f 1f 80 00 00 00 00 0f 1f kernel: bond0: (slave eni0np1): making interface the new active one kernel: RSP: 0018:ffffabde81553b98 EFLAGS: 00010246 kernel: bond0: (slave eni0np1): bond_ipsec_add_sa_all: failed to add SA kernel: kernel: RAX: 0000000000000000 RBX: ffff9eb404e74900 RCX: ffff9eb403d97c60 kernel: RDX: ffffffffc090de10 RSI: ffff9eb404e74900 RDI: ffff9eb3c5de9e00 kernel: RBP: ffff9eb3c0a42000 R08: 0000000000000010 R09: 000000000000",
    "evidence": "osv:CVE-2024-44989",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.10.225",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.166",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.107",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.48",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.10.7",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-44989",
      "aliases": [
        "CVE-2024-44989"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "18cb261afd7bf50134e5ccacc5ec91ea16efadd4"
                },
                {
                  "fixed": "21816b696c172c19d53a30d45ee005cce246ed21"
                },
                {
                  "fixed": "2f72c6a66bcd7e0187ec085237fee5db27145294"
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                {
                  "fixed": "7fa9243391ad2afe798ef4ea2e2851947b95754f"
                },
                {
                  "fixed": "4582d4ff413a07d4ed8a4823c652dc5207760548"
                },
                {
                  "fixed": "89fc1dca79db5c3e7a2d589ecbf8a3661c65f436"
                },
                {
                  "fixed": "f8cde9805981c50d0c029063dc7d82821806fc44"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-44989.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.9.0"
                },
                {
                  "fixed": "5.10.225"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.166"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.107"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.48"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.10.7"
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              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-44989.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:50.335373026Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-265688.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-355557.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-613116.html",
        "https://git.kernel.org/stable/c/21816b696c172c19d53a30d45ee005cce246ed21",
        "https://git.kernel.org/stable/c/2f72c6a66bcd7e0187ec085237fee5db27145294",
        "https://git.kernel.org/stable/c/4582d4ff413a07d4ed8a4823c652dc5207760548",
        "https://git.kernel.org/stable/c/7fa9243391ad2afe798ef4ea2e2851947b95754f",
        "https://git.kernel.org/stable/c/89fc1dca79db5c3e7a2d589ecbf8a3661c65f436",
        "https://git.kernel.org/stable/c/f8cde9805981c50d0c029063dc7d82821806fc44",
        "https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html",
        "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/44xxx/CVE-2024-44989.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-44989",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/44xxx/CVE-2024-44989.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-44989",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 518646,
  "published_at": "2024-09-04T19:54:36.858+00:00"
}