CVE-2023-53515 (GCVE-0-2023-53515)

Vulnerability from cvelistv5 – Published: 2025-10-01 11:46 – Updated: 2026-05-11 19:46
VLAI
Title
virtio-mmio: don't break lifecycle of vm_dev
Summary
In the Linux kernel, the following vulnerability has been resolved: virtio-mmio: don't break lifecycle of vm_dev vm_dev has a separate lifecycle because it has a 'struct device' embedded. Thus, having a release callback for it is correct. Allocating the vm_dev struct with devres totally breaks this protection, though. Instead of waiting for the vm_dev release callback, the memory is freed when the platform_device is removed. Resulting in a use-after-free when finally the callback is to be called. To easily see the problem, compile the kernel with CONFIG_DEBUG_KOBJECT_RELEASE and unbind with sysfs. The fix is easy, don't use devres in this case. Found during my research about object lifetime problems.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5 , < 97a2d55ead76358245b446efd87818e919196d7a (git)
Affected: 7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5 , < b788ad3b2468512339c05f23692e36860264e674 (git)
Affected: 7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5 , < 3ff54d904fafabd0912796785e53cce4e69ca123 (git)
Affected: 7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5 , < 5b7d5c2dd664eb8b9a06ecbc06e28d39359c422e (git)
Affected: 7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5 , < af5818c35173e096085c6ae2e3aac605d3d15e41 (git)
Affected: 7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5 , < 2dcb368fe5a8eee498ca75c93a18ce2f3b0d6a8e (git)
Affected: 7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5 , < 55c91fedd03d7b9cf0c5199b2eb12b9b8e95281a (git)
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Linux Linux Affected: 4.15
Unaffected: 0 , < 4.15 (semver)
Unaffected: 4.19.293 , ≤ 4.19.* (semver)
Unaffected: 5.4.255 , ≤ 5.4.* (semver)
Unaffected: 5.10.192 , ≤ 5.10.* (semver)
Unaffected: 5.15.128 , ≤ 5.15.* (semver)
Unaffected: 6.1.47 , ≤ 6.1.* (semver)
Unaffected: 6.4.12 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)
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            "url": "https://git.kernel.org/stable/c/3ff54d904fafabd0912796785e53cce4e69ca123"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/55c91fedd03d7b9cf0c5199b2eb12b9b8e95281a"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/5b7d5c2dd664eb8b9a06ecbc06e28d39359c422e"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/97a2d55ead76358245b446efd87818e919196d7a"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/af5818c35173e096085c6ae2e3aac605d3d15e41"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/b788ad3b2468512339c05f23692e36860264e674"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-416"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-29T22:24:53+00:00",
      "cve": "CVE-2023-53515",
      "id": "CVE-2023-53515",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_affected": "156",
      "product_status:known_not_affected": "118",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: virtio-mmio: don\u0027t break lifecycle of vm_dev",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53515.json",
      "version": "3"
    }
  }
}



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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.



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.