github - ghsa-ffp9-5f99-52w2

GHSA-FFP9-5F99-52W2

Vulnerability from github – Published: 2025-12-24 15:30 – Updated: 2025-12-24 15:30

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50712"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-24T13:15:57Z",
    "severity": null
  },
  "details": "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   \u003cTASK\u003e\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\u0027re supposed to be holding the region-\u003esnapshot_lock here.",
  "id": "GHSA-ffp9-5f99-52w2",
  "modified": "2025-12-24T15:30:32Z",
  "published": "2025-12-24T15:30:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50712"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/49383d4e59bb704341aaa1d51440ccce58270e61"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6298cab4d80bfdb6fe01fe31fd9f0ba26317fdae"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b4cafb3d2c740f8d1b1234b43ac4a60e5291c960"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2022-50712 (GCVE-0-2022-50712)

Vulnerability from cvelistv5 – Published: 2025-12-24 12:22 – Updated: 2025-12-24 12:22

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

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/49383d4e59bb70434…
	https://git.kernel.org/stable/c/6298cab4d80bfdb6f…
	https://git.kernel.org/stable/c/b4cafb3d2c740f8d1…

Impacted products

Vendor

Product

Version

Linux

Affected: 2dec18ad826f52658f7781ee995d236cc449b678 , < 49383d4e59bb704341aaa1d51440ccce58270e61 (git)
Affected: 2dec18ad826f52658f7781ee995d236cc449b678 , < 6298cab4d80bfdb6fe01fe31fd9f0ba26317fdae (git)
Affected: 2dec18ad826f52658f7781ee995d236cc449b678 , < b4cafb3d2c740f8d1b1234b43ac4a60e5291c960 (git)

Linux

Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 6.0.16 , ≤ 6.0.* (semver)
Unaffected: 6.1.2 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/core/devlink.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "49383d4e59bb704341aaa1d51440ccce58270e61",
              "status": "affected",
              "version": "2dec18ad826f52658f7781ee995d236cc449b678",
              "versionType": "git"
            },
            {
              "lessThan": "6298cab4d80bfdb6fe01fe31fd9f0ba26317fdae",
              "status": "affected",
              "version": "2dec18ad826f52658f7781ee995d236cc449b678",
              "versionType": "git"
            },
            {
              "lessThan": "b4cafb3d2c740f8d1b1234b43ac4a60e5291c960",
              "status": "affected",
              "version": "2dec18ad826f52658f7781ee995d236cc449b678",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/core/devlink.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.0"
            },
            {
              "lessThan": "6.0",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.16",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.2",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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   \u003cTASK\u003e\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\u0027re supposed to be holding the region-\u003esnapshot_lock here."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-24T12:22:37.676Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/49383d4e59bb704341aaa1d51440ccce58270e61"
        },
        {
          "url": "https://git.kernel.org/stable/c/6298cab4d80bfdb6fe01fe31fd9f0ba26317fdae"
        },
        {
          "url": "https://git.kernel.org/stable/c/b4cafb3d2c740f8d1b1234b43ac4a60e5291c960"
        }
      ],
      "title": "devlink: hold region lock when flushing snapshots",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50712",
    "datePublished": "2025-12-24T12:22:37.676Z",
    "dateReserved": "2025-12-24T12:20:40.328Z",
    "dateUpdated": "2025-12-24T12:22:37.676Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

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GHSA-FFP9-5F99-52W2

CVE-2022-50712 (GCVE-0-2022-50712)

Tags

Sightings

Nomenclature