Vulnerability-Lookup

FKIE_CVE-2025-38141

Vulnerability from fkie_nvd - Published: 2025-07-03 09:15 - Updated: 2026-07-30 06:22

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: dm: fix dm_blk_report_zones If dm_get_live_table() returned NULL, dm_put_live_table() was never called. Also, it is possible that md->zone_revalidate_map will change while calling this function. Only read it once, so that we are always using the same value. Otherwise we might miss a call to dm_put_live_table(). Finally, while md->zone_revalidate_map is set and a process is calling blk_revalidate_disk_zones() to set up the zone append emulation resources, it is possible that another process, perhaps triggered by blkdev_report_zones_ioctl(), will call dm_blk_report_zones(). If blk_revalidate_disk_zones() fails, these resources can be freed while the other process is still using them, causing a use-after-free error. blk_revalidate_disk_zones() will only ever be called when initially setting up the zone append emulation resources, such as when setting up a zoned dm-crypt table for the first time. Further table swaps will not set md->zone_revalidate_map or call blk_revalidate_disk_zones(). However it must be called using the new table (referenced by md->zone_revalidate_map) and the new queue limits while the DM device is suspended. dm_blk_report_zones() needs some way to distinguish between a call from blk_revalidate_disk_zones(), which must be allowed to use md->zone_revalidate_map to access this not yet activated table, and all other calls to dm_blk_report_zones(), which should not be allowed while the device is suspended and cannot use md->zone_revalidate_map, since the zone resources might be freed by the process currently calling blk_revalidate_disk_zones(). Solve this by tracking the process that sets md->zone_revalidate_map in dm_revalidate_zones() and only allowing that process to make use of it in dm_blk_report_zones().

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/37f53a2c60d03743e0eacf7a0c01c279776fef4e	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d19bc1b4dd5f322980b1f05f79b2ea4f0db10920	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f9c1bdf24615303d48a2d0fd629c88f3189563aa	Patch

Impacted products

	Vendor	Product	Version
	linux	linux_kernel	*
	linux	linux_kernel	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/md/dm-core.h",
            "drivers/md/dm-zone.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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              "versionType": "git"
            },
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              "status": "affected",
              "version": "f211268ed1f9bdf48f06a3ead5f5d88437450579",
              "versionType": "git"
            },
            {
              "lessThan": "37f53a2c60d03743e0eacf7a0c01c279776fef4e",
              "status": "affected",
              "version": "f211268ed1f9bdf48f06a3ead5f5d88437450579",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/md/dm-core.h",
            "drivers/md/dm-zone.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.10"
            },
            {
              "lessThan": "6.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.34",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.15.*",
              "status": "unaffected",
              "version": "6.15.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.16",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm: fix dm_blk_report_zones\n\nIf dm_get_live_table() returned NULL, dm_put_live_table() was never\ncalled. Also, it is possible that md-\u003ezone_revalidate_map will change\nwhile calling this function. Only read it once, so that we are always\nusing the same value. Otherwise we might miss a call to\ndm_put_live_table().\n\nFinally, while md-\u003ezone_revalidate_map is set and a process is calling\nblk_revalidate_disk_zones() to set up the zone append emulation\nresources, it is possible that another process, perhaps triggered by\nblkdev_report_zones_ioctl(), will call dm_blk_report_zones(). If\nblk_revalidate_disk_zones() fails, these resources can be freed while\nthe other process is still using them, causing a use-after-free error.\n\nblk_revalidate_disk_zones() will only ever be called when initially\nsetting up the zone append emulation resources, such as when setting up\na zoned dm-crypt table for the first time. Further table swaps will not\nset md-\u003ezone_revalidate_map or call blk_revalidate_disk_zones().\nHowever it must be called using the new table (referenced by\nmd-\u003ezone_revalidate_map) and the new queue limits while the DM device is\nsuspended. dm_blk_report_zones() needs some way to distinguish between a\ncall from blk_revalidate_disk_zones(), which must be allowed to use\nmd-\u003ezone_revalidate_map to access this not yet activated table, and all\nother calls to dm_blk_report_zones(), which should not be allowed while\nthe device is suspended and cannot use md-\u003ezone_revalidate_map, since\nthe zone resources might be freed by the process currently calling\nblk_revalidate_disk_zones().\n\nSolve this by tracking the process that sets md-\u003ezone_revalidate_map in\ndm_revalidate_zones() and only allowing that process to make use of it\nin dm_blk_report_zones()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dm: fix dm_blk_report_zones Si dm_get_live_table() devolv\u00eda NULL, dm_put_live_table() nunca se llamaba. Adem\u00e1s, es posible que md-\u0026gt;zone_revalidate_map cambie al llamar a esta funci\u00f3n. Solo l\u00e9alo una vez, para que siempre usemos el mismo valor. De lo contrario, podr\u00edamos perder una llamada a dm_put_live_table(). Finalmente, mientras md-\u0026gt;zone_revalidate_map est\u00e1 configurado y un proceso est\u00e1 llamando a blk_revalidate_disk_zones() para configurar los recursos de emulaci\u00f3n de anexi\u00f3n de zona, es posible que otro proceso, quiz\u00e1s activado por blkdev_report_zones_ioctl(), llame a dm_blk_report_zones(). Si blk_revalidate_disk_zones() falla, estos recursos pueden liberarse mientras el otro proceso a\u00fan los est\u00e1 usando, causando un error de uso despu\u00e9s de liberaci\u00f3n. blk_revalidate_disk_zones() solo se llamar\u00e1 al configurar inicialmente los recursos de emulaci\u00f3n de anexi\u00f3n de zona, como al configurar una tabla dm-crypt zonificada por primera vez. Los intercambios de tabla posteriores no establecer\u00e1n md-\u0026gt;zone_revalidate_map ni llamar\u00e1n a blk_revalidate_disk_zones(). Sin embargo, debe llamarse utilizando la nueva tabla (referenciada por md-\u0026gt;zone_revalidate_map) y los nuevos l\u00edmites de cola mientras el dispositivo DM est\u00e9 suspendido. dm_blk_report_zones() necesita distinguir entre una llamada a blk_revalidate_disk_zones(), que debe permitir el uso de md-\u0026gt;zone_revalidate_map para acceder a esta tabla a\u00fan no activada, y todas las dem\u00e1s llamadas a dm_blk_report_zones(), que no deben permitirse mientras el dispositivo est\u00e9 suspendido y no puedan usar md-\u0026gt;zone_revalidate_map, ya que los recursos de la zona podr\u00edan ser liberados por el proceso que llama a blk_revalidate_disk_zones(). Para solucionar esto, se debe rastrear el proceso que establece md-\u0026gt;zone_revalidate_map en dm_revalidate_zones() y permitir que solo ese proceso lo use en dm_blk_report_zones()."
    }
  ],
  "id": "CVE-2025-38141",
  "lastModified": "2026-07-30T06:22:54.850",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
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        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
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          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
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          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-10T20:40:19.111521Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-07-03T09:15:28.740",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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    },
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    }
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2025-38141 (GCVE-0-2025-38141)

Vulnerability from cvelistv5 – Published: 2025-07-03 08:35 – Updated: 2026-08-05 11:59

Title

dm: fix dm_blk_report_zones

Summary

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-10 20:40 UTC

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 6847 records in the last 180 days details

References

3 references

URL	Tags
https://git.kernel.org/stable/c/f9c1bdf24615303d4…
https://git.kernel.org/stable/c/d19bc1b4dd5f32298…
https://git.kernel.org/stable/c/37f53a2c60d03743e…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: f211268ed1f9bdf48f06a3ead5f5d88437450579 , < f9c1bdf24615303d48a2d0fd629c88f3189563aa (git) Affected: f211268ed1f9bdf48f06a3ead5f5d88437450579 , < d19bc1b4dd5f322980b1f05f79b2ea4f0db10920 (git) Affected: f211268ed1f9bdf48f06a3ead5f5d88437450579 , < 37f53a2c60d03743e0eacf7a0c01c279776fef4e (git)
Linux	Linux	Affected: 6.10 Unaffected: 0 , < 6.10 (semver) Unaffected: 6.12.34 , ≤ 6.12.* (semver) Unaffected: 6.15.3 , ≤ 6.15.* (semver) Unaffected: 6.16 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-38141",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-10T20:40:19.111521Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-11T17:53:37.417Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/md/dm-core.h",
            "drivers/md/dm-zone.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
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            },
            {
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              "versionType": "git"
            }
          ]
        },
        {
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          "product": "Linux",
          "programFiles": [
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            "drivers/md/dm-zone.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.12.34",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "6.15.3",
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            },
            {
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              "status": "unaffected",
              "version": "6.16",
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        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm: fix dm_blk_report_zones\n\nIf dm_get_live_table() returned NULL, dm_put_live_table() was never\ncalled. Also, it is possible that md-\u003ezone_revalidate_map will change\nwhile calling this function. Only read it once, so that we are always\nusing the same value. Otherwise we might miss a call to\ndm_put_live_table().\n\nFinally, while md-\u003ezone_revalidate_map is set and a process is calling\nblk_revalidate_disk_zones() to set up the zone append emulation\nresources, it is possible that another process, perhaps triggered by\nblkdev_report_zones_ioctl(), will call dm_blk_report_zones(). If\nblk_revalidate_disk_zones() fails, these resources can be freed while\nthe other process is still using them, causing a use-after-free error.\n\nblk_revalidate_disk_zones() will only ever be called when initially\nsetting up the zone append emulation resources, such as when setting up\na zoned dm-crypt table for the first time. Further table swaps will not\nset md-\u003ezone_revalidate_map or call blk_revalidate_disk_zones().\nHowever it must be called using the new table (referenced by\nmd-\u003ezone_revalidate_map) and the new queue limits while the DM device is\nsuspended. dm_blk_report_zones() needs some way to distinguish between a\ncall from blk_revalidate_disk_zones(), which must be allowed to use\nmd-\u003ezone_revalidate_map to access this not yet activated table, and all\nother calls to dm_blk_report_zones(), which should not be allowed while\nthe device is suspended and cannot use md-\u003ezone_revalidate_map, since\nthe zone resources might be freed by the process currently calling\nblk_revalidate_disk_zones().\n\nSolve this by tracking the process that sets md-\u003ezone_revalidate_map in\ndm_revalidate_zones() and only allowing that process to make use of it\nin dm_blk_report_zones()."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
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            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The vulnerable function is reached through the BLKREPORTZONE/BLKREPORTZONEV2 ioctl on a device-mapper block device node (blkdev_common_ioctl \u2192 blkdev_report_zones_ioctl \u2192 blkdev_report_zones \u2192 dm_blk_report_zones), i.e. a local syscall on a local device file. No network or remote peer data is involved.\nAC:L - The attacker fully controls their side of the race and can spin the ioctl at thousands of calls per second, while the vulnerable window \u2014 a whole-device zone revalidation on an SMR/ZNS device plus the entire DM_TABLE_LOAD-to-resume gap where md-\u003emap is NULL \u2014 is wide and recurs on every zoned DM table setup, so no condition outside the attacker\u0027s influence has to fall into place.\nPR:L - BLKREPORTZONE is handled in blkdev_common_ioctl() with no capable() check and without requiring FMODE_WRITE, so any local user able to open the DM device read-only (disk-group member, container with the device exposed, or an unprivileged process on an embedded/Android zoned-storage system) can drive the ioctl loop.\nUI:N - The attacker only needs to loop on the ioctl; the zone revalidation and the loaded-but-unresumed table state occur automatically during normal device setup at boot, hotplug, or storage-daemon activity, with no victim action required.\nS:U - The use-after-free, out-of-bounds per-CPU increment, and hang are all confined to the kernel\u0027s own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - A racing report walks a dm_table freed by dm_table_destroy() and zone resources freed by disk_free_zone_resources(), reading freed struct dm_target/dm_table contents and returning the resulting zone descriptors to userspace via blkdev_copy_zone_to_user(), and the SRCU counter imbalance from the garbage srcu_idx lets grace periods end early and expose further freed objects.\nI:H - dm_blk_do_report_zones() loads and calls tgt-\u003etype-\u003ereport_zones out of a freed dm_table, giving a control-flow hijack primitive once the slab is reclaimed, and srcu_read_unlock() with an uninitialized stack index performs an out-of-bounds this_cpu_inc() past srcu_ctrs[] into adjacent per-CPU memory.\nA:H - The missing dm_put_live_table() permanently leaks an SRCU read-side critical section, so every later synchronize_srcu(\u0026md-\u003eio_barrier) \u2014 table swap, suspend, or device removal \u2014 blocks forever in an unkillable D state while holding md-\u003esuspend_lock, wedging dmsetup; independently, the use-after-free on the freed table produces an oops or panic."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T11:59:51.188Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/f9c1bdf24615303d48a2d0fd629c88f3189563aa"
        },
        {
          "url": "https://git.kernel.org/stable/c/d19bc1b4dd5f322980b1f05f79b2ea4f0db10920"
        },
        {
          "url": "https://git.kernel.org/stable/c/37f53a2c60d03743e0eacf7a0c01c279776fef4e"
        }
      ],
      "title": "dm: fix dm_blk_report_zones",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38141",
    "datePublished": "2025-07-03T08:35:42.787Z",
    "dateReserved": "2025-04-16T04:51:23.987Z",
    "dateUpdated": "2026-08-05T11:59:51.188Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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