Vulnerability-Lookup

FKIE_CVE-2023-52930

Vulnerability from fkie_nvd - Published: 2025-03-27 17:15 - Updated: 2026-06-17 06:43

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: drm/i915: Fix potential bit_17 double-free A userspace with multiple threads racing I915_GEM_SET_TILING to set the tiling to I915_TILING_NONE could trigger a double free of the bit_17 bitmask. (Or conversely leak memory on the transition to tiled.) Move allocation/free'ing of the bitmask within the section protected by the obj lock. [tursulin: Correct fixes tag and added cc stable.] (cherry picked from commit 10e0cbaaf1104f449d695c80bcacf930dcd3c42e)

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/0769f997a7b6d5cb8336db0b4ec3d2d311b8097c	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7057a8f126f14f14b040faecfa220fd27c6c2f85	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b591abac78e25269b12e3d7170c99463f8c5cb02	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e3ebc3e23bd9028a8a9a26cbc5985f99be445f65	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.2
linux	linux_kernel	6.2
linux	linux_kernel	6.2
linux	linux_kernel	6.2
linux	linux_kernel	6.2
linux	linux_kernel	6.2

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/i915/gem/i915_gem_tiling.c"
          ],
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            }
          ]
        },
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          ],
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          "vendor": "Linux",
          "versions": [
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            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "version": "5.10.168",
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            },
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              "version": "5.15.93",
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            },
            {
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              "status": "unaffected",
              "version": "6.1.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
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            },
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  "cveTags": [],
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      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915: Fix potential bit_17 double-free\n\nA userspace with multiple threads racing I915_GEM_SET_TILING to set the\ntiling to I915_TILING_NONE could trigger a double free of the bit_17\nbitmask.  (Or conversely leak memory on the transition to tiled.)  Move\nallocation/free\u0027ing of the bitmask within the section protected by the\nobj lock.\n\n[tursulin: Correct fixes tag and added cc stable.]\n(cherry picked from commit 10e0cbaaf1104f449d695c80bcacf930dcd3c42e)"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/i915: Se corrige la posible doble liberaci\u00f3n de bit_17. Un espacio de usuario con varios subprocesos que compiten con I915_GEM_SET_TILING para establecer el mosaico en I915_TILING_NONE podr\u00eda provocar una doble liberaci\u00f3n de la m\u00e1scara de bits bit_17. (O, por el contrario, una fuga de memoria al cambiar a mosaico). Se ha trasladado la asignaci\u00f3n/liberaci\u00f3n de la m\u00e1scara de bits dentro de la secci\u00f3n protegida por el bloqueo obj. [tursulin: Se corrige la etiqueta de correcciones y se ha a\u00f1adido la versi\u00f3n estable de cc.] (Seleccionado del commit 10e0cbaaf1104f449d695c80bcacf930dcd3c42e)"
    }
  ],
  "id": "CVE-2023-52930",
  "lastModified": "2026-06-17T06:43:57.493",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
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          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
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          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "options": [
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            },
            {
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          "role": "CISA Coordinator",
          "timestamp": "2025-10-01T19:25:16.883410Z",
          "version": "2.0.3"
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  "published": "2025-03-27T17:15:42.477",
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    },
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    }
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  "vulnStatus": "Modified",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-415"
        }
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      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
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          "value": "CWE-415"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

CVE-2023-52930 (GCVE-0-2023-52930)

Vulnerability from cvelistv5 – Published: 2025-03-27 16:37 – Updated: 2026-08-05 09:12

Title

drm/i915: Fix potential bit_17 double-free

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 2025-10-01 19:25 UTC

CWE

CWE-415 - Double Free

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/b591abac78e25269b…
https://git.kernel.org/stable/c/e3ebc3e23bd9028a8…
https://git.kernel.org/stable/c/0769f997a7b6d5cb8…
https://git.kernel.org/stable/c/7057a8f126f14f14b…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 2850748ef8763ab46958e43a4d1c445f29eeb37d , < b591abac78e25269b12e3d7170c99463f8c5cb02 (git) Affected: 2850748ef8763ab46958e43a4d1c445f29eeb37d , < e3ebc3e23bd9028a8a9a26cbc5985f99be445f65 (git) Affected: 2850748ef8763ab46958e43a4d1c445f29eeb37d , < 0769f997a7b6d5cb8336db0b4ec3d2d311b8097c (git) Affected: 2850748ef8763ab46958e43a4d1c445f29eeb37d , < 7057a8f126f14f14b040faecfa220fd27c6c2f85 (git)
Linux	Linux	Affected: 5.5 Unaffected: 0 , < 5.5 (semver) Unaffected: 5.10.168 , ≤ 5.10.* (semver) Unaffected: 5.15.93 , ≤ 5.15.* (semver) Unaffected: 6.1.11 , ≤ 6.1.* (semver) Unaffected: 6.2 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "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"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-52930",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-01T19:25:16.883410Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-415",
                "description": "CWE-415 Double Free",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-01T19:26:36.577Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/i915/gem/i915_gem_tiling.c"
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      ],
      "cpeApplicability": [
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          },
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              "lang": "en",
              "value": "AV:L - The bug is reached only via the local DRM ioctl I915_GEM_SET_TILING on /dev/dri/renderD* or card*, not via network packet processing or adjacent-link protocols.\nAC:L - An attacker fully controls both sides of the race by issuing concurrent I915_GEM_SET_TILING ioctls from multiple threads on the same GEM object after first establishing a tiled state that allocates bit_17.\nPR:L - I915_GEM_SET_TILING is DRM_RENDER_ALLOW and is usable by an unprivileged local user with access to an i915 render node; it does not require CAP_SYS_ADMIN, DRM_MASTER, or root in the init namespace.\nUI:N - Exploitation requires only the attacker\u0027s own ioctls and threads; no victim action such as opening a file or mounting a filesystem is needed.\nS:U - This is a host-kernel heap corruption bug within the same OS security authority and does not cross a VM, IOMMU, or other security boundary.\nC:H - A kernel heap double-free of the bit_17 bitmap enables classic allocator metadata corruption and use-after-free primitives that can be leveraged for arbitrary kernel memory disclosure.\nI:H - The same double-free/use-after-free heap corruption provides write primitives suitable for control-flow hijacking and arbitrary kernel memory modification / privilege escalation.\nA:H - Double-free of kernel heap memory can immediately oops/panic the kernel, and use-after-free paths similarly cause high-availability impact even when not fully exploited for code execution."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T09:12:06.760Z",
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        },
        {
          "url": "https://git.kernel.org/stable/c/7057a8f126f14f14b040faecfa220fd27c6c2f85"
        }
      ],
      "title": "drm/i915: Fix potential bit_17 double-free",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52930",
    "datePublished": "2025-03-27T16:37:12.302Z",
    "dateReserved": "2024-08-21T06:07:11.019Z",
    "dateUpdated": "2026-08-05T09:12:06.760Z",
    "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.

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.

Action not permitted

FKIE_CVE-2023-52930

CVE-2023-52930 (GCVE-0-2023-52930)

Tags

Sightings

Nomenclature

Related by attack behaviour