CVE-2023-52584 (GCVE-0-2023-52584)

Vulnerability from cvelistv5 – Published: 2024-03-06 06:45 – Updated: 2026-05-11 19:29
VLAI
Title
spmi: mediatek: Fix UAF on device remove
Summary
In the Linux kernel, the following vulnerability has been resolved: spmi: mediatek: Fix UAF on device remove The pmif driver data that contains the clocks is allocated along with spmi_controller. On device remove, spmi_controller will be freed first, and then devres , including the clocks, will be cleanup. This leads to UAF because putting the clocks will access the clocks in the pmif driver data, which is already freed along with spmi_controller. This can be reproduced by enabling DEBUG_TEST_DRIVER_REMOVE and building the kernel with KASAN. Fix the UAF issue by using unmanaged clk_bulk_get() and putting the clocks before freeing spmi_controller.
Severity
3.8 (Low)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: b45b3ccef8c063d21eb746d85337eaf71f6b5f07 , < 521f28eedd6b14228c46e3b81e3bf9b90c2818d8 (git)
Affected: b45b3ccef8c063d21eb746d85337eaf71f6b5f07 , < f8dcafcb54632536684336161da8bdd52120f95e (git)
Affected: b45b3ccef8c063d21eb746d85337eaf71f6b5f07 , < 9a3881b1f07db1bb55cb0108e6f05cfd027eaf2e (git)
Affected: b45b3ccef8c063d21eb746d85337eaf71f6b5f07 , < e821d50ab5b956ed0effa49faaf29912fd4106d9 (git)
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Linux Linux Affected: 5.17
Unaffected: 0 , < 5.17 (semver)
Unaffected: 6.1.77 , ≤ 6.1.* (semver)
Unaffected: 6.6.16 , ≤ 6.6.* (semver)
Unaffected: 6.7.4 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
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\"https://git.kernel.org/stable/c/9a3881b1f07db1bb55cb0108e6f05cfd027eaf2e\"}, {\"url\": \"https://git.kernel.org/stable/c/e821d50ab5b956ed0effa49faaf29912fd4106d9\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nspmi: mediatek: Fix UAF on device remove\\n\\nThe pmif driver data that contains the clocks is allocated along with\\nspmi_controller.\\nOn device remove, spmi_controller will be freed first, and then devres\\n, including the clocks, will be cleanup.\\nThis leads to UAF because putting the clocks will access the clocks in\\nthe pmif driver data, which is already freed along with spmi_controller.\\n\\nThis can be reproduced by enabling DEBUG_TEST_DRIVER_REMOVE and\\nbuilding the kernel with KASAN.\\n\\nFix the UAF issue by using unmanaged clk_bulk_get() and putting the\\nclocks before freeing spmi_controller.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.77\", \"versionStartIncluding\": \"5.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.16\", \"versionStartIncluding\": \"5.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.4\", \"versionStartIncluding\": \"5.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8\", \"versionStartIncluding\": \"5.17\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T19:29:43.610Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-52584\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T19:29:43.610Z\", \"dateReserved\": \"2024-03-02T21:55:42.570Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-03-06T06:45:19.847Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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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.