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CVE-2022-50712

Estado: AplazadaSin puntuar—

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:

This is the locking assert in devlink_region_snapshot_del(), we're supposed to be holding the region->snapshot_lock here.

Detalles técnicos trazas, registros y código del informe original
  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:
   <TASK>
   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

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux KernelAI

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-50712",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2dec18ad826f52658f7781ee995d236cc449b678",
              "lessThan": "49383d4e59bb704341aaa1d51440ccce58270e61",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "2dec18ad826f52658f7781ee995d236cc449b678",
              "lessThan": "6298cab4d80bfdb6fe01fe31fd9f0ba26317fdae",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "2dec18ad826f52658f7781ee995d236cc449b678",
              "lessThan": "b4cafb3d2c740f8d1b1234b43ac4a60e5291c960",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "net/core/devlink.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.0"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.0.16",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.2",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "net/core/devlink.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-12-24T13:15:57.060",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/49383d4e59bb704341aaa1d51440ccce58270e61",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/6298cab4d80bfdb6fe01fe31fd9f0ba26317fdae",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/b4cafb3d2c740f8d1b1234b43ac4a60e5291c960",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndevlink: hold region lock when flushing snapshots\n\nNetdevsim triggers a splat on reload, when it destroys regions\nwith snapshots pending:\n\n  WARNING: CPU: 1 PID: 787 at net/core/devlink.c:6291 devlink_region_snapshot_del+0x12e/0x140\n  CPU: 1 PID: 787 Comm: devlink Not tainted 6.1.0-07460-g7ae9888d6e1c #580\n  RIP: 0010:devlink_region_snapshot_del+0x12e/0x140\n  Call Trace:\n   <TASK>\n   devl_region_destroy+0x70/0x140\n   nsim_dev_reload_down+0x2f/0x60 [netdevsim]\n   devlink_reload+0x1f7/0x360\n   devlink_nl_cmd_reload+0x6ce/0x860\n   genl_family_rcv_msg_doit.isra.0+0x145/0x1c0\n\nThis is the locking assert in devlink_region_snapshot_del(),\nwe're supposed to be holding the region->snapshot_lock here."
    }
  ],
  "lastModified": "2026-06-17T05:24:02.963",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}