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CVE-2025-38355 (GCVE-0-2025-38355)

Vulnerability from cvelistv5 – Published: 2025-07-25 12:47 – Updated: 2026-05-11 21:26
VLAI
Title
drm/xe: Process deferred GGTT node removals on device unwind
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/xe: Process deferred GGTT node removals on device unwind While we are indirectly draining our dedicated workqueue ggtt->wq that we use to complete asynchronous removal of some GGTT nodes, this happends as part of the managed-drm unwinding (ggtt_fini_early), which could be later then manage-device unwinding, where we could already unmap our MMIO/GMS mapping (mmio_fini). This was recently observed during unsuccessful VF initialization: [ ] xe 0000:00:02.1: probe with driver xe failed with error -62 [ ] xe 0000:00:02.1: DEVRES REL ffff88811e747340 __xe_bo_unpin_map_no_vm (16 bytes) [ ] xe 0000:00:02.1: DEVRES REL ffff88811e747540 __xe_bo_unpin_map_no_vm (16 bytes) [ ] xe 0000:00:02.1: DEVRES REL ffff88811e747240 __xe_bo_unpin_map_no_vm (16 bytes) [ ] xe 0000:00:02.1: DEVRES REL ffff88811e747040 tiles_fini (16 bytes) [ ] xe 0000:00:02.1: DEVRES REL ffff88811e746840 mmio_fini (16 bytes) [ ] xe 0000:00:02.1: DEVRES REL ffff88811e747f40 xe_bo_pinned_fini (16 bytes) [ ] xe 0000:00:02.1: DEVRES REL ffff88811e746b40 devm_drm_dev_init_release (16 bytes) [ ] xe 0000:00:02.1: [drm:drm_managed_release] drmres release begin [ ] xe 0000:00:02.1: [drm:drm_managed_release] REL ffff88810ef81640 __fini_relay (8 bytes) [ ] xe 0000:00:02.1: [drm:drm_managed_release] REL ffff88810ef80d40 guc_ct_fini (8 bytes) [ ] xe 0000:00:02.1: [drm:drm_managed_release] REL ffff88810ef80040 __drmm_mutex_release (8 bytes) [ ] xe 0000:00:02.1: [drm:drm_managed_release] REL ffff88810ef80140 ggtt_fini_early (8 bytes) and this was leading to: [ ] BUG: unable to handle page fault for address: ffffc900058162a0 [ ] #PF: supervisor write access in kernel mode [ ] #PF: error_code(0x0002) - not-present page [ ] Oops: Oops: 0002 [#1] SMP NOPTI [ ] Tainted: [W]=WARN [ ] Workqueue: xe-ggtt-wq ggtt_node_remove_work_func [xe] [ ] RIP: 0010:xe_ggtt_set_pte+0x6d/0x350 [xe] [ ] Call Trace: [ ] <TASK> [ ] xe_ggtt_clear+0xb0/0x270 [xe] [ ] ggtt_node_remove+0xbb/0x120 [xe] [ ] ggtt_node_remove_work_func+0x30/0x50 [xe] [ ] process_one_work+0x22b/0x6f0 [ ] worker_thread+0x1e8/0x3d Add managed-device action that will explicitly drain the workqueue with all pending node removals prior to releasing MMIO/GSM mapping. (cherry picked from commit 89d2835c3680ab1938e22ad81b1c9f8c686bd391)
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 919bb54e989c1edef87e9797be125c94c450fc65 , < 1b12f8dabbb8fd7d5a2611dd7bc5982ffbc2e5df (git)
Affected: 919bb54e989c1edef87e9797be125c94c450fc65 , < 5ab4eba9b26a93605b4f2f2b688d6ba818d7331d (git)
Affected: 919bb54e989c1edef87e9797be125c94c450fc65 , < af2b588abe006bd55ddd358c4c3b87523349c475 (git)
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Linux Linux Affected: 6.12
Unaffected: 0 , < 6.12 (semver)
Unaffected: 6.12.36 , ≤ 6.12.* (semver)
Unaffected: 6.15.5 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Process deferred GGTT node removals on device unwind\n\nWhile we are indirectly draining our dedicated workqueue ggtt-\u003ewq\nthat we use to complete asynchronous removal of some GGTT nodes,\nthis happends as part of the managed-drm unwinding (ggtt_fini_early),\nwhich could be later then manage-device unwinding, where we could\nalready unmap our MMIO/GMS mapping (mmio_fini).\n\nThis was recently observed during unsuccessful VF initialization:\n\n [ ] xe 0000:00:02.1: probe with driver xe failed with error -62\n [ ] xe 0000:00:02.1: DEVRES REL ffff88811e747340 __xe_bo_unpin_map_no_vm (16 bytes)\n [ ] xe 0000:00:02.1: DEVRES REL ffff88811e747540 __xe_bo_unpin_map_no_vm (16 bytes)\n [ ] xe 0000:00:02.1: DEVRES REL ffff88811e747240 __xe_bo_unpin_map_no_vm (16 bytes)\n [ ] xe 0000:00:02.1: DEVRES REL ffff88811e747040 tiles_fini (16 bytes)\n [ ] xe 0000:00:02.1: DEVRES REL ffff88811e746840 mmio_fini (16 bytes)\n [ ] xe 0000:00:02.1: DEVRES REL ffff88811e747f40 xe_bo_pinned_fini (16 bytes)\n [ ] xe 0000:00:02.1: DEVRES REL ffff88811e746b40 devm_drm_dev_init_release (16 bytes)\n [ ] xe 0000:00:02.1: [drm:drm_managed_release] drmres release begin\n [ ] xe 0000:00:02.1: [drm:drm_managed_release] REL ffff88810ef81640 __fini_relay (8 bytes)\n [ ] xe 0000:00:02.1: [drm:drm_managed_release] REL ffff88810ef80d40 guc_ct_fini (8 bytes)\n [ ] xe 0000:00:02.1: [drm:drm_managed_release] REL ffff88810ef80040 __drmm_mutex_release (8 bytes)\n [ ] xe 0000:00:02.1: [drm:drm_managed_release] REL ffff88810ef80140 ggtt_fini_early (8 bytes)\n\nand this was leading to:\n\n [ ] BUG: unable to handle page fault for address: ffffc900058162a0\n [ ] #PF: supervisor write access in kernel mode\n [ ] #PF: error_code(0x0002) - not-present page\n [ ] Oops: Oops: 0002 [#1] SMP NOPTI\n [ ] Tainted: [W]=WARN\n [ ] Workqueue: xe-ggtt-wq ggtt_node_remove_work_func [xe]\n [ ] RIP: 0010:xe_ggtt_set_pte+0x6d/0x350 [xe]\n [ ] Call Trace:\n [ ]  \u003cTASK\u003e\n [ ]  xe_ggtt_clear+0xb0/0x270 [xe]\n [ ]  ggtt_node_remove+0xbb/0x120 [xe]\n [ ]  ggtt_node_remove_work_func+0x30/0x50 [xe]\n [ ]  process_one_work+0x22b/0x6f0\n [ ]  worker_thread+0x1e8/0x3d\n\nAdd managed-device action that will explicitly drain the workqueue\nwith all pending node removals prior to releasing MMIO/GSM mapping.\n\n(cherry picked from commit 89d2835c3680ab1938e22ad81b1c9f8c686bd391)"
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            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/xe: Proceso diferido de eliminaciones de nodos GGTT al desenrollar el dispositivo Mientras drenamos indirectamente nuestra cola de trabajo dedicada ggtt-\u0026gt;wq que usamos para completar la eliminaci\u00f3n asincr\u00f3nica de algunos nodos GGTT, esto sucede como parte del desenrollado de managed-drm (ggtt_fini_early), que podr\u00eda ser posterior al desenrollado de managed-device, donde ya podr\u00edamos desasignar nuestra asignaci\u00f3n MMIO/GMS (mmio_fini). Esto se observ\u00f3 recientemente durante una inicializaci\u00f3n de VF fallida: [ ] xe 0000:00:02.1: probe with driver xe failed with error -62 [ ] xe 0000:00:02.1: DEVRES REL ffff88811e747340 __xe_bo_unpin_map_no_vm (16 bytes) [ ] xe 0000:00:02.1: DEVRES REL ffff88811e747540 __xe_bo_unpin_map_no_vm (16 bytes) [ ] xe 0000:00:02.1: DEVRES REL ffff88811e747240 __xe_bo_unpin_map_no_vm (16 bytes) [ ] xe 0000:00:02.1: DEVRES REL ffff88811e747040 tiles_fini (16 bytes) [ ] xe 0000:00:02.1: DEVRES REL ffff88811e746840 mmio_fini (16 bytes) [ ] xe 0000:00:02.1: DEVRES REL ffff88811e747f40 xe_bo_pinned_fini (16 bytes) [ ] xe 0000:00:02.1: DEVRES REL ffff88811e746b40 devm_drm_dev_init_release (16 bytes) [ ] xe 0000:00:02.1: [drm:drm_managed_release] drmres release begin [ ] xe 0000:00:02.1: [drm:drm_managed_release] REL ffff88810ef81640 __fini_relay (8 bytes) [ ] xe 0000:00:02.1: [drm:drm_managed_release] REL ffff88810ef80d40 guc_ct_fini (8 bytes) [ ] xe 0000:00:02.1: [drm:drm_managed_release] REL ffff88810ef80040 __drmm_mutex_release (8 bytes) [ ] xe 0000:00:02.1: [drm:drm_managed_release] REL ffff88810ef80140 ggtt_fini_early (8 bytes) and this was leading to: [ ] BUG: unable to handle page fault for address: ffffc900058162a0 [ ] #PF: supervisor write access in kernel mode [ ] #PF: error_code(0x0002) - not-present page [ ] Oops: Oops: 0002 [#1] SMP NOPTI [ ] Tainted: [W]=WARN [ ] Workqueue: xe-ggtt-wq ggtt_node_remove_work_func [xe] [ ] RIP: 0010:xe_ggtt_set_pte+0x6d/0x350 [xe] [ ] Call Trace: [ ]  [ ] xe_ggtt_clear+0xb0/0x270 [xe] [ ] ggtt_node_remove+0xbb/0x120 [xe] [ ] ggtt_node_remove_work_func+0x30/0x50 [xe] [ ] process_one_work+0x22b/0x6f0 [ ] worker_thread+0x1e8/0x3d Se agreg\u00f3 una acci\u00f3n de dispositivo administrado que drenar\u00e1 expl\u00edcitamente la cola de trabajo con todas las eliminaciones de nodos pendientes antes de liberar la asignaci\u00f3n de MMIO/GSM. (Seleccionado del commit 89d2835c3680ab1938e22ad81b1c9f8c686bd391)"
          }
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        "id": "CVE-2025-38355",
        "lastModified": "2026-06-17T09:16:41.670",
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                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
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              "impactScore": 3.6,
              "source": "nvd@nist.gov",
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        "published": "2025-07-25T13:15:24.240",
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                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-30T01:04:41+00:00",
      "cve": "CVE-2025-38355",
      "id": "CVE-2025-38355",
      "initial_release_date": "2025-07-25T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "90",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: drm/xe: Process deferred GGTT node removals on device unwind",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-38355.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-02T01:16:15Z",
      "cve": "CVE-2025-38355",
      "id": "CVE-2025-38355",
      "initial_release_date": "2025-07-29T23:24:15Z",
      "product_status:first_fixed": "2",
      "product_status:known_affected": "394",
      "product_status:known_not_affected": "481",
      "product_status:recommended": "247",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-38355",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-38355.json",
      "version": "36"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


Detection rules are retrieved from Rulezet.


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.