udmabuf: Set the DMA mask for the udmabuf device (v2)

{
  "id": "65ea91d4cbb451913a5c01cfbba56056eb8e0d8a8e44e83f84ec30508e92a4d2",
  "url": "https://osv.dev/vulnerability/CVE-2022-49983",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "udmabuf: Set the DMA mask for the udmabuf device (v2)",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: udmabuf: Set the DMA mask for the udmabuf device (v2) If the DMA mask is not set explicitly, the following warning occurs when the userspace tries to access the dma-buf via the CPU as reported by syzbot here: WARNING: CPU: 1 PID: 3595 at kernel/dma/mapping.c:188 __dma_map_sg_attrs+0x181/0x1f0 kernel/dma/mapping.c:188 Modules linked in: CPU: 0 PID: 3595 Comm: syz-executor249 Not tainted 5.17.0-rc2-syzkaller-00316-g0457e5153e0e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__dma_map_sg_attrs+0x181/0x1f0 kernel/dma/mapping.c:188 Code: 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 71 4c 8b 3d c0 83 b5 0d e9 db fe ff ff e8 b6 0f 13 00 0f 0b e8 af 0f 13 00 <0f> 0b 45 31 e4 e9 54 ff ff ff e8 a0 0f 13 00 49 8d 7f 50 48 b8 00 RSP: 0018:ffffc90002a07d68 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88807e25e2c0 RSI: ffffffff81649e91 RDI: ffff88801b848408 RBP: ffff88801b848000 R08: 0000000000000002 R09: ffff88801d86c74f R10: ffffffff81649d72 R11: 0000000000000001 R12: 0000000000000002 R13: ffff88801d86c680 R14: 0000000000000001 R15: 0000000000000000 FS: 0000555556e30300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200000cc CR3: 000000001d74a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000",
    "evidence": "osv:CVE-2022-49983",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.10.141",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.65",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.19.7",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-49983",
      "aliases": [
        "CVE-2022-49983"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "284562e1f34874e267d4f499362c3816f8f6bc3f"
                },
                {
                  "fixed": "872875c9ecf8fa2e1d82bb2f2f1963f571aa8959"
                },
                {
                  "fixed": "e658538c610c6047b3c9f552e73801894d9284b1"
                },
                {
                  "fixed": "f2f6ea1a8da1317430a84701fc0170449ee88315"
                },
                {
                  "fixed": "9e9fa6a9198b767b00f48160800128e83a038f9f"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49983.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.6.0"
                },
                {
                  "fixed": "5.10.141"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.65"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "5.19.7"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49983.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.793348587Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/872875c9ecf8fa2e1d82bb2f2f1963f571aa8959",
        "https://git.kernel.org/stable/c/9e9fa6a9198b767b00f48160800128e83a038f9f",
        "https://git.kernel.org/stable/c/e658538c610c6047b3c9f552e73801894d9284b1",
        "https://git.kernel.org/stable/c/f2f6ea1a8da1317430a84701fc0170449ee88315",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49983.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-49983",
        "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/2022/49xxx/CVE-2022-49983.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-49983",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 505020,
  "published_at": "2025-06-18T11:00:45.701+00:00"
}