net: do not allow gso_size to be set to GSO_BY_FRAGS

{
  "id": "6bac3209b71285cdb57017139a653d3b9ed7bb04cacca9707b946a097fc3295e",
  "url": "https://osv.dev/vulnerability/CVE-2023-54051",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "net: do not allow gso_size to be set to GSO_BY_FRAGS",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: net: do not allow gso_size to be set to GSO_BY_FRAGS One missing check in virtio_net_hdr_to_skb() allowed syzbot to crash kernels again [1] Do not allow gso_size to be set to GSO_BY_FRAGS (0xffff), because this magic value is used by the kernel. [1] general protection fault, probably for non-canonical address 0xdffffc000000000e: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077] CPU: 0 PID: 5039 Comm: syz-executor401 Not tainted 6.5.0-rc5-next-20230809-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:skb_segment+0x1a52/0x3ef0 net/core/skbuff.c:4500 Code: 00 00 00 e9 ab eb ff ff e8 6b 96 5d f9 48 8b 84 24 00 01 00 00 48 8d 78 70 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e ea 21 00 00 48 8b 84 24 00 01 RSP: 0018:ffffc90003d3f1c8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 000000000001fffe RCX: 0000000000000000 RDX: 000000000000000e RSI: ffffffff882a3115 RDI: 0000000000000070 RBP: ffffc90003d3f378 R08: 0000000000000005 R09: 000000000000ffff R10: 000000000000ffff R11: 5ee4a93e456187d6 R12: 000000000001ffc6 R13: dffffc0000000000 R14: 0000000000000008 R15: 000000000000ffff FS: 00005555563f2380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020020000 CR3: 000000001626d000 CR4: 00000000003506f0 ",
    "evidence": "osv:CVE-2023-54051",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.14.324",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "4.19.293",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.4.255",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.192",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.128",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.47",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.4.12",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-54051",
      "aliases": [
        "CVE-2023-54051"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "3953c46c3ac7eef31a9935427371c6f54a22f1ba"
                },
                {
                  "fixed": "a5f9e5804d239d288d983db36bbed45ed10729a0"
                },
                {
                  "fixed": "4c9bfadb4301daaceb6c575fa6ad3bc82c152e79"
                },
                {
                  "fixed": "210ff31342ade546d8d9d0ec4d3cf9cb50ae632d"
                },
                {
                  "fixed": "0a593e8a9d24360fbc469c5897d0791aa2f20ed3"
                },
                {
                  "fixed": "578371ce0d7f67ea1e65817c04478aaab0d36b68"
                },
                {
                  "fixed": "2e03a92b241102aaf490439aa1b00239f84f530f"
                },
                {
                  "fixed": "e3636862f5595b3d2f02650f7b21d39043a34f3e"
                },
                {
                  "fixed": "b616be6b97688f2f2bd7c4a47ab32f27f94fb2a9"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54051.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.8.0"
                },
                {
                  "fixed": "4.14.324"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.15.0"
                },
                {
                  "fixed": "4.19.293"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.20.0"
                },
                {
                  "fixed": "5.4.255"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
                },
                {
                  "fixed": "5.10.192"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.128"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.47"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.4.12"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54051.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.745795739Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0a593e8a9d24360fbc469c5897d0791aa2f20ed3",
        "https://git.kernel.org/stable/c/210ff31342ade546d8d9d0ec4d3cf9cb50ae632d",
        "https://git.kernel.org/stable/c/2e03a92b241102aaf490439aa1b00239f84f530f",
        "https://git.kernel.org/stable/c/4c9bfadb4301daaceb6c575fa6ad3bc82c152e79",
        "https://git.kernel.org/stable/c/578371ce0d7f67ea1e65817c04478aaab0d36b68",
        "https://git.kernel.org/stable/c/a5f9e5804d239d288d983db36bbed45ed10729a0",
        "https://git.kernel.org/stable/c/b616be6b97688f2f2bd7c4a47ab32f27f94fb2a9",
        "https://git.kernel.org/stable/c/e3636862f5595b3d2f02650f7b21d39043a34f3e",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54051.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-54051",
        "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/2023/54xxx/CVE-2023-54051.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-54051",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 521490,
  "published_at": "2025-12-24T12:23:01.043+00:00"
}