devlink: hold region lock when flushing snapshots

{
  "id": "6f93c4c2cf4ae1ab66338c5061cba92289688332e90b64ea15fdd4219f209aa2",
  "url": "https://osv.dev/vulnerability/CVE-2022-50712",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "devlink: hold region lock when flushing snapshots",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: devlink: hold region lock when flushing snapshots Netdevsim triggers a splat on reload, when it destroys regions with snapshots pending: WARNING: CPU: 1 PID: 787 at net/core/devlink.c:6291 devlink_region_snapshot_del+0x12e/0x140 CPU: 1 PID: 787 Comm: devlink Not tainted 6.1.0-07460-g7ae9888d6e1c #580 RIP: 0010:devlink_region_snapshot_del+0x12e/0x140 Call Trace: devl_region_destroy+0x70/0x140 nsim_dev_reload_down+0x2f/0x60 [netdevsim] devlink_reload+0x1f7/0x360 devlink_nl_cmd_reload+0x6ce/0x860 genl_family_rcv_msg_doit.isra.0+0x145/0x1c0 This is the locking assert in devlink_region_snapshot_del(), we're supposed to be holding the region->snapshot_lock here.",
    "evidence": "osv:CVE-2022-50712",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.0.16",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-50712",
      "aliases": [
        "CVE-2022-50712"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "2dec18ad826f52658f7781ee995d236cc449b678"
                },
                {
                  "fixed": "49383d4e59bb704341aaa1d51440ccce58270e61"
                },
                {
                  "fixed": "6298cab4d80bfdb6fe01fe31fd9f0ba26317fdae"
                },
                {
                  "fixed": "b4cafb3d2c740f8d1b1234b43ac4a60e5291c960"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50712.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.0.0"
                },
                {
                  "fixed": "6.0.16"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.1.0"
                },
                {
                  "fixed": "6.1.2"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50712.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.873795045Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/49383d4e59bb704341aaa1d51440ccce58270e61",
        "https://git.kernel.org/stable/c/6298cab4d80bfdb6fe01fe31fd9f0ba26317fdae",
        "https://git.kernel.org/stable/c/b4cafb3d2c740f8d1b1234b43ac4a60e5291c960",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50712.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50712",
        "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/2022/50xxx/CVE-2022-50712.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-50712",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 518522,
  "published_at": "2025-12-24T12:22:37.676+00:00"
}