ata: libata-core: Fix null pointer dereference on error

{
  "id": "635010771be1fbd1979a5fdba6f23e4163b0ea8094ce158b98318f0ac6b82c39",
  "url": "https://osv.dev/vulnerability/CVE-2024-41098",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ata: libata-core: Fix null pointer dereference on error",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ata: libata-core: Fix null pointer dereference on error If the ata_port_alloc() call in ata_host_alloc() fails, ata_host_release() will get called. However, the code in ata_host_release() tries to free ata_port struct members unconditionally, which can lead to the following: BUG: unable to handle page fault for address: 0000000000003990 PGD 0 P4D 0 Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 10 PID: 594 Comm: (udev-worker) Not tainted 6.10.0-rc5 #44 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014 RIP: 0010:ata_host_release.cold+0x2f/0x6e [libata] Code: e4 4d 63 f4 44 89 e2 48 c7 c6 90 ad 32 c0 48 c7 c7 d0 70 33 c0 49 83 c6 0e 41 RSP: 0018:ffffc90000ebb968 EFLAGS: 00010246 RAX: 0000000000000041 RBX: ffff88810fb52e78 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88813b3218c0 RDI: ffff88813b3218c0 RBP: ffff88810fb52e40 R08: 0000000000000000 R09: 6c65725f74736f68 R10: ffffc90000ebb738 R11: 73692033203a746e R12: 0000000000000004 R13: 0000000000000000 R14: 0000000000000011 R15: 0000000000000006 FS: 00007f6cc55b9980(0000) GS:ffff88813b300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000003990 CR3: 00000001122a2000 CR4: 0000000000750ef0 PKRU: 55555554 Call Trace: ? __die_body.cold+0x19/0x27 ? page_fault_oops+0x15a/0x2f0 ? exc_page_fault+0x7e/0x180 ? asm_exc_page_fault+0x26/0x30 ? ata_host_release.cold+0x2f/0x6e [libata] ? ata",
    "evidence": "osv:CVE-2024-41098",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.19.321",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.4.283",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.225",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.166",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.108",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.37",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.9.8",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-41098",
      "aliases": [
        "CVE-2024-41098"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "633273a3ed1cf37ced90475b0f95cf81deab04f1"
                },
                {
                  "fixed": "d9c4df80b1b009de1eb77c07e3bb4d45bd212aa5"
                },
                {
                  "fixed": "56e62977eaaae3eb7122ee2cf9b720b6703114a9"
                },
                {
                  "fixed": "e83405e75d90694ee6a5d898f7f0473ac2686054"
                },
                {
                  "fixed": "221e3b1297e74fdec32d0f572f4dcb2260a0a2af"
                },
                {
                  "fixed": "0f0d37c154bb108730c90a91aa31e3170e827962"
                },
                {
                  "fixed": "119c97ace2a9ffcf4dc09a23bb057d6c281aff28"
                },
                {
                  "fixed": "8a8ff7e3b736a70d7b7c8764cbcd2724d4079ec8"
                },
                {
                  "fixed": "5d92c7c566dc76d96e0e19e481d926bbe6631c1e"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-41098.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "2.6.24"
                },
                {
                  "fixed": "4.19.321"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.20.0"
                },
                {
                  "fixed": "5.4.283"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
                },
                {
                  "fixed": "5.10.225"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.166"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.108"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.37"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.9.8"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-41098.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:34.407679301Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0f0d37c154bb108730c90a91aa31e3170e827962",
        "https://git.kernel.org/stable/c/119c97ace2a9ffcf4dc09a23bb057d6c281aff28",
        "https://git.kernel.org/stable/c/221e3b1297e74fdec32d0f572f4dcb2260a0a2af",
        "https://git.kernel.org/stable/c/56e62977eaaae3eb7122ee2cf9b720b6703114a9",
        "https://git.kernel.org/stable/c/5d92c7c566dc76d96e0e19e481d926bbe6631c1e",
        "https://git.kernel.org/stable/c/8a8ff7e3b736a70d7b7c8764cbcd2724d4079ec8",
        "https://git.kernel.org/stable/c/d9c4df80b1b009de1eb77c07e3bb4d45bd212aa5",
        "https://git.kernel.org/stable/c/e83405e75d90694ee6a5d898f7f0473ac2686054",
        "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/2024/41xxx/CVE-2024-41098.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-41098",
        "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/2024/41xxx/CVE-2024-41098.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-41098",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 501221,
  "published_at": "2024-07-29T15:48:11.093+00:00"
}